87401520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6427

約数の個数: 120

約数和(自身を含む): 309020400

約数和(自身を除く): 221618880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6389, 6840, 12778, 13680, 19167, 25556, 31945, 38334, 51112, 57501, 63890, 76668, 95835, 102224, 115002, 121391, 127780, 153336, 191670, 230004, 242782, 255560, 287505, 306672, 364173, 383340, 460008, 485564, 511120, 575010, 606955, 728346, 766680, 920016, 971128, 1092519, 1150020, 1213910, 1456692, 1533360, 1820865, 1942256, 2185038, 2300040, 2427820, 2913384, 3641730, 4370076, 4600080, 4855640, 5462595, 5826768, 7283460, 8740152, 9711280, 10925190, 14566920, 17480304, 21850380, 29133840, 43700760, 87401520]

約数ペア:

[(1, 87401520), (2, 43700760), (3, 29133840), (4, 21850380), (5, 17480304), (6, 14566920), (8, 10925190), (9, 9711280), (10, 8740152), (12, 7283460), (15, 5826768), (16, 5462595), (18, 4855640), (19, 4600080), (20, 4370076), (24, 3641730), (30, 2913384), (36, 2427820), (38, 2300040), (40, 2185038), (45, 1942256), (48, 1820865), (57, 1533360), (60, 1456692), (72, 1213910), (76, 1150020), (80, 1092519), (90, 971128), (95, 920016), (114, 766680), (120, 728346), (144, 606955), (152, 575010), (171, 511120), (180, 485564), (190, 460008), (228, 383340), (240, 364173), (285, 306672), (304, 287505), (342, 255560), (360, 242782), (380, 230004), (456, 191670), (570, 153336), (684, 127780), (720, 121391), (760, 115002), (855, 102224), (912, 95835), (1140, 76668), (1368, 63890), (1520, 57501), (1710, 51112), (2280, 38334), (2736, 31945), (3420, 25556), (4560, 19167), (6389, 13680), (6840, 12778)]