28851120

素因数分解:

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

素因数の和:97

約数の個数: 240

約数和(自身を含む): 107716320

約数和(自身を除く): 78865200

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, 216, 222, 228, 240, 270, 285, 296, 304, 333, 342, 360, 361, 370, 380, 432, 444, 456, 513, 540, 555, 570, 592, 666, 684, 703, 720, 722, 740, 760, 855, 888, 912, 999, 1026, 1080, 1083, 1110, 1140, 1332, 1368, 1406, 1444, 1480, 1520, 1665, 1710, 1776, 1805, 1998, 2052, 2109, 2160, 2166, 2220, 2280, 2565, 2664, 2736, 2812, 2888, 2960, 3249, 3330, 3420, 3515, 3610, 3996, 4104, 4218, 4332, 4440, 4560, 4995, 5130, 5328, 5415, 5624, 5776, 6327, 6498, 6660, 6840, 7030, 7220, 7992, 8208, 8436, 8664, 8880, 9747, 9990, 10260, 10545, 10830, 11248, 12654, 12996, 13320, 13357, 13680, 14060, 14440, 15984, 16245, 16872, 17328, 18981, 19494, 19980, 20520, 21090, 21660, 25308, 25992, 26640, 26714, 28120, 28880, 31635, 32490, 33744, 37962, 38988, 39960, 40071, 41040, 42180, 43320, 48735, 50616, 51984, 53428, 56240, 63270, 64980, 66785, 75924, 77976, 79920, 80142, 84360, 86640, 94905, 97470, 101232, 106856, 120213, 126540, 129960, 133570, 151848, 155952, 160284, 168720, 189810, 194940, 200355, 213712, 240426, 253080, 259920, 267140, 303696, 320568, 360639, 379620, 389880, 400710, 480852, 506160, 534280, 601065, 641136, 721278, 759240, 779760, 801420, 961704, 1068560, 1202130, 1442556, 1518480, 1602840, 1803195, 1923408, 2404260, 2885112, 3205680, 3606390, 4808520, 5770224, 7212780, 9617040, 14425560, 28851120]

約数ペア:

[(1, 28851120), (2, 14425560), (3, 9617040), (4, 7212780), (5, 5770224), (6, 4808520), (8, 3606390), (9, 3205680), (10, 2885112), (12, 2404260), (15, 1923408), (16, 1803195), (18, 1602840), (19, 1518480), (20, 1442556), (24, 1202130), (27, 1068560), (30, 961704), (36, 801420), (37, 779760), (38, 759240), (40, 721278), (45, 641136), (48, 601065), (54, 534280), (57, 506160), (60, 480852), (72, 400710), (74, 389880), (76, 379620), (80, 360639), (90, 320568), (95, 303696), (108, 267140), (111, 259920), (114, 253080), (120, 240426), (135, 213712), (144, 200355), (148, 194940), (152, 189810), (171, 168720), (180, 160284), (185, 155952), (190, 151848), (216, 133570), (222, 129960), (228, 126540), (240, 120213), (270, 106856), (285, 101232), (296, 97470), (304, 94905), (333, 86640), (342, 84360), (360, 80142), (361, 79920), (370, 77976), (380, 75924), (432, 66785), (444, 64980), (456, 63270), (513, 56240), (540, 53428), (555, 51984), (570, 50616), (592, 48735), (666, 43320), (684, 42180), (703, 41040), (720, 40071), (722, 39960), (740, 38988), (760, 37962), (855, 33744), (888, 32490), (912, 31635), (999, 28880), (1026, 28120), (1080, 26714), (1083, 26640), (1110, 25992), (1140, 25308), (1332, 21660), (1368, 21090), (1406, 20520), (1444, 19980), (1480, 19494), (1520, 18981), (1665, 17328), (1710, 16872), (1776, 16245), (1805, 15984), (1998, 14440), (2052, 14060), (2109, 13680), (2160, 13357), (2166, 13320), (2220, 12996), (2280, 12654), (2565, 11248), (2664, 10830), (2736, 10545), (2812, 10260), (2888, 9990), (2960, 9747), (3249, 8880), (3330, 8664), (3420, 8436), (3515, 8208), (3610, 7992), (3996, 7220), (4104, 7030), (4218, 6840), (4332, 6660), (4440, 6498), (4560, 6327), (4995, 5776), (5130, 5624), (5328, 5415)]