1656620640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20183}}^1$

素因数の和:20226

約数の個数: 192

約数和(自身を含む): 6103641600

約数和(自身を除く): 4447020960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 20183, 20520, 27360, 40366, 41040, 60549, 80732, 82080, 100915, 121098, 161464, 181647, 201830, 242196, 302745, 322928, 363294, 383477, 403660, 484392, 544941, 605490, 645856, 726588, 766954, 807320, 908235, 968784, 1089882, 1150431, 1210980, 1453176, 1533908, 1614640, 1816470, 1917385, 1937568, 2179764, 2300862, 2421960, 2724705, 2906352, 3067816, 3229280, 3451293, 3632940, 3834770, 4359528, 4601724, 4843920, 5449410, 5752155, 5812704, 6135632, 6902586, 7265880, 7669540, 8719056, 9203448, 9687840, 10353879, 10898820, 11504310, 12271264, 13805172, 14531760, 15339080, 17256465, 17438112, 18406896, 20707758, 21797640, 23008620, 27610344, 29063520, 30678160, 34512930, 36813792, 41415516, 43595280, 46017240, 51769395, 55220688, 61356320, 69025860, 82831032, 87190560, 92034480, 103538790, 110441376, 138051720, 165662064, 184068960, 207077580, 276103440, 331324128, 414155160, 552206880, 828310320, 1656620640]

約数ペア:

[(1, 1656620640), (2, 828310320), (3, 552206880), (4, 414155160), (5, 331324128), (6, 276103440), (8, 207077580), (9, 184068960), (10, 165662064), (12, 138051720), (15, 110441376), (16, 103538790), (18, 92034480), (19, 87190560), (20, 82831032), (24, 69025860), (27, 61356320), (30, 55220688), (32, 51769395), (36, 46017240), (38, 43595280), (40, 41415516), (45, 36813792), (48, 34512930), (54, 30678160), (57, 29063520), (60, 27610344), (72, 23008620), (76, 21797640), (80, 20707758), (90, 18406896), (95, 17438112), (96, 17256465), (108, 15339080), (114, 14531760), (120, 13805172), (135, 12271264), (144, 11504310), (152, 10898820), (160, 10353879), (171, 9687840), (180, 9203448), (190, 8719056), (216, 7669540), (228, 7265880), (240, 6902586), (270, 6135632), (285, 5812704), (288, 5752155), (304, 5449410), (342, 4843920), (360, 4601724), (380, 4359528), (432, 3834770), (456, 3632940), (480, 3451293), (513, 3229280), (540, 3067816), (570, 2906352), (608, 2724705), (684, 2421960), (720, 2300862), (760, 2179764), (855, 1937568), (864, 1917385), (912, 1816470), (1026, 1614640), (1080, 1533908), (1140, 1453176), (1368, 1210980), (1440, 1150431), (1520, 1089882), (1710, 968784), (1824, 908235), (2052, 807320), (2160, 766954), (2280, 726588), (2565, 645856), (2736, 605490), (3040, 544941), (3420, 484392), (4104, 403660), (4320, 383477), (4560, 363294), (5130, 322928), (5472, 302745), (6840, 242196), (8208, 201830), (9120, 181647), (10260, 161464), (13680, 121098), (16416, 100915), (20183, 82080), (20520, 80732), (27360, 60549), (40366, 41040)]