664557840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4139}}^1$

素因数の和:4381

約数の個数: 120

約数和(自身を含む): 2242356480

約数和(自身を除く): 1577798640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 223, 240, 360, 446, 669, 720, 892, 1115, 1338, 1784, 2007, 2230, 2676, 3345, 3568, 4014, 4139, 4460, 5352, 6690, 8028, 8278, 8920, 10035, 10704, 12417, 13380, 16056, 16556, 17840, 20070, 20695, 24834, 26760, 32112, 33112, 37251, 40140, 41390, 49668, 53520, 62085, 66224, 74502, 80280, 82780, 99336, 124170, 149004, 160560, 165560, 186255, 198672, 248340, 298008, 331120, 372510, 496680, 596016, 745020, 922997, 993360, 1490040, 1845994, 2768991, 2980080, 3691988, 4614985, 5537982, 7383976, 8306973, 9229970, 11075964, 13844955, 14767952, 16613946, 18459940, 22151928, 27689910, 33227892, 36919880, 41534865, 44303856, 55379820, 66455784, 73839760, 83069730, 110759640, 132911568, 166139460, 221519280, 332278920, 664557840]

約数ペア:

[(1, 664557840), (2, 332278920), (3, 221519280), (4, 166139460), (5, 132911568), (6, 110759640), (8, 83069730), (9, 73839760), (10, 66455784), (12, 55379820), (15, 44303856), (16, 41534865), (18, 36919880), (20, 33227892), (24, 27689910), (30, 22151928), (36, 18459940), (40, 16613946), (45, 14767952), (48, 13844955), (60, 11075964), (72, 9229970), (80, 8306973), (90, 7383976), (120, 5537982), (144, 4614985), (180, 3691988), (223, 2980080), (240, 2768991), (360, 1845994), (446, 1490040), (669, 993360), (720, 922997), (892, 745020), (1115, 596016), (1338, 496680), (1784, 372510), (2007, 331120), (2230, 298008), (2676, 248340), (3345, 198672), (3568, 186255), (4014, 165560), (4139, 160560), (4460, 149004), (5352, 124170), (6690, 99336), (8028, 82780), (8278, 80280), (8920, 74502), (10035, 66224), (10704, 62085), (12417, 53520), (13380, 49668), (16056, 41390), (16556, 40140), (17840, 37251), (20070, 33112), (20695, 32112), (24834, 26760)]