405536760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19763}}^1$

素因数の和:19802

約数の個数: 128

約数和(自身を含む): 1423008000

約数和(自身を除く): 1017471240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 19763, 20520, 39526, 59289, 79052, 98815, 118578, 158104, 177867, 197630, 237156, 296445, 355734, 375497, 395260, 474312, 533601, 592890, 711468, 750994, 790520, 889335, 1067202, 1126491, 1185780, 1422936, 1501988, 1778670, 1877485, 2134404, 2252982, 2371560, 2668005, 3003976, 3379473, 3557340, 3754970, 4268808, 4505964, 5336010, 5632455, 6758946, 7114680, 7509940, 9011928, 10138419, 10672020, 11264910, 13517892, 15019880, 16897365, 20276838, 21344040, 22529820, 27035784, 33794730, 40553676, 45059640, 50692095, 67589460, 81107352, 101384190, 135178920, 202768380, 405536760]

約数ペア:

[(1, 405536760), (2, 202768380), (3, 135178920), (4, 101384190), (5, 81107352), (6, 67589460), (8, 50692095), (9, 45059640), (10, 40553676), (12, 33794730), (15, 27035784), (18, 22529820), (19, 21344040), (20, 20276838), (24, 16897365), (27, 15019880), (30, 13517892), (36, 11264910), (38, 10672020), (40, 10138419), (45, 9011928), (54, 7509940), (57, 7114680), (60, 6758946), (72, 5632455), (76, 5336010), (90, 4505964), (95, 4268808), (108, 3754970), (114, 3557340), (120, 3379473), (135, 3003976), (152, 2668005), (171, 2371560), (180, 2252982), (190, 2134404), (216, 1877485), (228, 1778670), (270, 1501988), (285, 1422936), (342, 1185780), (360, 1126491), (380, 1067202), (456, 889335), (513, 790520), (540, 750994), (570, 711468), (684, 592890), (760, 533601), (855, 474312), (1026, 395260), (1080, 375497), (1140, 355734), (1368, 296445), (1710, 237156), (2052, 197630), (2280, 177867), (2565, 158104), (3420, 118578), (4104, 98815), (5130, 79052), (6840, 59289), (10260, 39526), (19763, 20520)]