90045040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 215986176

約数和(自身を除く): 125941136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 83, 142, 166, 191, 284, 332, 355, 382, 415, 568, 664, 710, 764, 830, 955, 1136, 1328, 1420, 1528, 1660, 1910, 2840, 3056, 3320, 3820, 5680, 5893, 6640, 7640, 11786, 13561, 15280, 15853, 23572, 27122, 29465, 31706, 47144, 54244, 58930, 63412, 67805, 79265, 94288, 108488, 117860, 126824, 135610, 158530, 216976, 235720, 253648, 271220, 317060, 471440, 542440, 634120, 1084880, 1125563, 1268240, 2251126, 4502252, 5627815, 9004504, 11255630, 18009008, 22511260, 45022520, 90045040]

約数ペア:

[(1, 90045040), (2, 45022520), (4, 22511260), (5, 18009008), (8, 11255630), (10, 9004504), (16, 5627815), (20, 4502252), (40, 2251126), (71, 1268240), (80, 1125563), (83, 1084880), (142, 634120), (166, 542440), (191, 471440), (284, 317060), (332, 271220), (355, 253648), (382, 235720), (415, 216976), (568, 158530), (664, 135610), (710, 126824), (764, 117860), (830, 108488), (955, 94288), (1136, 79265), (1328, 67805), (1420, 63412), (1528, 58930), (1660, 54244), (1910, 47144), (2840, 31706), (3056, 29465), (3320, 27122), (3820, 23572), (5680, 15853), (5893, 15280), (6640, 13561), (7640, 11786)]