72421920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2647}}^1$

素因数の和:2687

約数の個数: 144

約数和(自身を含む): 260245440

約数和(自身を除く): 187823520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2647, 2736, 3040, 3420, 4560, 5294, 5472, 6840, 7941, 9120, 10588, 13235, 13680, 15882, 21176, 23823, 26470, 27360, 31764, 39705, 42352, 47646, 50293, 52940, 63528, 79410, 84704, 95292, 100586, 105880, 119115, 127056, 150879, 158820, 190584, 201172, 211760, 238230, 251465, 254112, 301758, 317640, 381168, 402344, 423520, 452637, 476460, 502930, 603516, 635280, 754395, 762336, 804688, 905274, 952920, 1005860, 1207032, 1270560, 1508790, 1609376, 1810548, 1905840, 2011720, 2263185, 2414064, 3017580, 3621096, 3811680, 4023440, 4526370, 4828128, 6035160, 7242192, 8046880, 9052740, 12070320, 14484384, 18105480, 24140640, 36210960, 72421920]

約数ペア:

[(1, 72421920), (2, 36210960), (3, 24140640), (4, 18105480), (5, 14484384), (6, 12070320), (8, 9052740), (9, 8046880), (10, 7242192), (12, 6035160), (15, 4828128), (16, 4526370), (18, 4023440), (19, 3811680), (20, 3621096), (24, 3017580), (30, 2414064), (32, 2263185), (36, 2011720), (38, 1905840), (40, 1810548), (45, 1609376), (48, 1508790), (57, 1270560), (60, 1207032), (72, 1005860), (76, 952920), (80, 905274), (90, 804688), (95, 762336), (96, 754395), (114, 635280), (120, 603516), (144, 502930), (152, 476460), (160, 452637), (171, 423520), (180, 402344), (190, 381168), (228, 317640), (240, 301758), (285, 254112), (288, 251465), (304, 238230), (342, 211760), (360, 201172), (380, 190584), (456, 158820), (480, 150879), (570, 127056), (608, 119115), (684, 105880), (720, 100586), (760, 95292), (855, 84704), (912, 79410), (1140, 63528), (1368, 52940), (1440, 50293), (1520, 47646), (1710, 42352), (1824, 39705), (2280, 31764), (2647, 27360), (2736, 26470), (3040, 23823), (3420, 21176), (4560, 15882), (5294, 13680), (5472, 13235), (6840, 10588), (7941, 9120)]