72418720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1838

約数の個数: 96

約数和(自身を含む): 194866560

約数和(自身を除く): 122447840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 352, 368, 440, 460, 506, 736, 880, 920, 1012, 1265, 1760, 1789, 1840, 2024, 2530, 3578, 3680, 4048, 5060, 7156, 8096, 8945, 10120, 14312, 17890, 19679, 20240, 28624, 35780, 39358, 40480, 41147, 57248, 71560, 78716, 82294, 98395, 143120, 157432, 164588, 196790, 205735, 286240, 314864, 329176, 393580, 411470, 452617, 629728, 658352, 787160, 822940, 905234, 1316704, 1574320, 1645880, 1810468, 2263085, 3148640, 3291760, 3620936, 4526170, 6583520, 7241872, 9052340, 14483744, 18104680, 36209360, 72418720]

約数ペア:

[(1, 72418720), (2, 36209360), (4, 18104680), (5, 14483744), (8, 9052340), (10, 7241872), (11, 6583520), (16, 4526170), (20, 3620936), (22, 3291760), (23, 3148640), (32, 2263085), (40, 1810468), (44, 1645880), (46, 1574320), (55, 1316704), (80, 905234), (88, 822940), (92, 787160), (110, 658352), (115, 629728), (160, 452617), (176, 411470), (184, 393580), (220, 329176), (230, 314864), (253, 286240), (352, 205735), (368, 196790), (440, 164588), (460, 157432), (506, 143120), (736, 98395), (880, 82294), (920, 78716), (1012, 71560), (1265, 57248), (1760, 41147), (1789, 40480), (1840, 39358), (2024, 35780), (2530, 28624), (3578, 20240), (3680, 19679), (4048, 17890), (5060, 14312), (7156, 10120), (8096, 8945)]