320399280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 320

約数和(自身を含む): 1198732800

約数和(自身を除く): 878333520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 37, 38, 40, 45, 48, 54, 57, 60, 72, 74, 76, 80, 90, 95, 108, 111, 114, 120, 135, 144, 148, 152, 171, 180, 185, 190, 211, 216, 222, 228, 240, 270, 285, 296, 304, 333, 342, 360, 370, 380, 422, 432, 444, 456, 513, 540, 555, 570, 592, 633, 666, 684, 703, 720, 740, 760, 844, 855, 888, 912, 999, 1026, 1055, 1080, 1110, 1140, 1266, 1332, 1368, 1406, 1480, 1520, 1665, 1688, 1710, 1776, 1899, 1998, 2052, 2109, 2110, 2160, 2220, 2280, 2532, 2565, 2664, 2736, 2812, 2960, 3165, 3330, 3376, 3420, 3515, 3798, 3996, 4009, 4104, 4218, 4220, 4440, 4560, 4995, 5064, 5130, 5328, 5624, 5697, 6327, 6330, 6660, 6840, 7030, 7596, 7807, 7992, 8018, 8208, 8436, 8440, 8880, 9495, 9990, 10128, 10260, 10545, 11248, 11394, 12027, 12654, 12660, 13320, 13680, 14060, 15192, 15614, 15984, 16036, 16872, 16880, 18981, 18990, 19980, 20045, 20520, 21090, 22788, 23421, 24054, 25308, 25320, 26640, 28120, 28485, 30384, 31228, 31635, 32072, 33744, 36081, 37962, 37980, 39035, 39960, 40090, 41040, 42180, 45576, 46842, 48108, 50616, 50640, 56240, 56970, 60135, 62456, 63270, 64144, 70263, 72162, 75924, 75960, 78070, 79920, 80180, 84360, 91152, 93684, 94905, 96216, 101232, 108243, 113940, 117105, 120270, 124912, 126540, 140526, 144324, 148333, 151848, 151920, 156140, 160360, 168720, 180405, 187368, 189810, 192432, 210789, 216486, 227880, 234210, 240540, 253080, 281052, 288648, 296666, 303696, 312280, 320720, 351315, 360810, 374736, 379620, 421578, 432972, 444999, 455760, 468420, 481080, 506160, 541215, 562104, 577296, 593332, 624560, 702630, 721620, 741665, 759240, 843156, 865944, 889998, 936840, 962160, 1053945, 1082430, 1124208, 1186664, 1334997, 1405260, 1443240, 1483330, 1518480, 1686312, 1731888, 1779996, 1873680, 2107890, 2164860, 2224995, 2373328, 2669994, 2810520, 2886480, 2966660, 3372624, 3559992, 4004991, 4215780, 4329720, 4449990, 5339988, 5621040, 5933320, 6674985, 7119984, 8009982, 8431560, 8659440, 8899980, 10679976, 11866640, 13349970, 16019964, 16863120, 17799960, 20024955, 21359952, 26699940, 32039928, 35599920, 40049910, 53399880, 64079856, 80099820, 106799760, 160199640, 320399280]

約数ペア:

[(1, 320399280), (2, 160199640), (3, 106799760), (4, 80099820), (5, 64079856), (6, 53399880), (8, 40049910), (9, 35599920), (10, 32039928), (12, 26699940), (15, 21359952), (16, 20024955), (18, 17799960), (19, 16863120), (20, 16019964), (24, 13349970), (27, 11866640), (30, 10679976), (36, 8899980), (37, 8659440), (38, 8431560), (40, 8009982), (45, 7119984), (48, 6674985), (54, 5933320), (57, 5621040), (60, 5339988), (72, 4449990), (74, 4329720), (76, 4215780), (80, 4004991), (90, 3559992), (95, 3372624), (108, 2966660), (111, 2886480), (114, 2810520), (120, 2669994), (135, 2373328), (144, 2224995), (148, 2164860), (152, 2107890), (171, 1873680), (180, 1779996), (185, 1731888), (190, 1686312), (211, 1518480), (216, 1483330), (222, 1443240), (228, 1405260), (240, 1334997), (270, 1186664), (285, 1124208), (296, 1082430), (304, 1053945), (333, 962160), (342, 936840), (360, 889998), (370, 865944), (380, 843156), (422, 759240), (432, 741665), (444, 721620), (456, 702630), (513, 624560), (540, 593332), (555, 577296), (570, 562104), (592, 541215), (633, 506160), (666, 481080), (684, 468420), (703, 455760), (720, 444999), (740, 432972), (760, 421578), (844, 379620), (855, 374736), (888, 360810), (912, 351315), (999, 320720), (1026, 312280), (1055, 303696), (1080, 296666), (1110, 288648), (1140, 281052), (1266, 253080), (1332, 240540), (1368, 234210), (1406, 227880), (1480, 216486), (1520, 210789), (1665, 192432), (1688, 189810), (1710, 187368), (1776, 180405), (1899, 168720), (1998, 160360), (2052, 156140), (2109, 151920), (2110, 151848), (2160, 148333), (2220, 144324), (2280, 140526), (2532, 126540), (2565, 124912), (2664, 120270), (2736, 117105), (2812, 113940), (2960, 108243), (3165, 101232), (3330, 96216), (3376, 94905), (3420, 93684), (3515, 91152), (3798, 84360), (3996, 80180), (4009, 79920), (4104, 78070), (4218, 75960), (4220, 75924), (4440, 72162), (4560, 70263), (4995, 64144), (5064, 63270), (5130, 62456), (5328, 60135), (5624, 56970), (5697, 56240), (6327, 50640), (6330, 50616), (6660, 48108), (6840, 46842), (7030, 45576), (7596, 42180), (7807, 41040), (7992, 40090), (8018, 39960), (8208, 39035), (8436, 37980), (8440, 37962), (8880, 36081), (9495, 33744), (9990, 32072), (10128, 31635), (10260, 31228), (10545, 30384), (11248, 28485), (11394, 28120), (12027, 26640), (12654, 25320), (12660, 25308), (13320, 24054), (13680, 23421), (14060, 22788), (15192, 21090), (15614, 20520), (15984, 20045), (16036, 19980), (16872, 18990), (16880, 18981)]