8321580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 25592112

約数和(自身を除く): 17270532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 557, 747, 830, 996, 1114, 1245, 1494, 1660, 1671, 2228, 2490, 2785, 2988, 3342, 3735, 4980, 5013, 5570, 6684, 7470, 8355, 10026, 11140, 14940, 16710, 20052, 25065, 33420, 46231, 50130, 92462, 100260, 138693, 184924, 231155, 277386, 416079, 462310, 554772, 693465, 832158, 924620, 1386930, 1664316, 2080395, 2773860, 4160790, 8321580]

約数ペア:

[(1, 8321580), (2, 4160790), (3, 2773860), (4, 2080395), (5, 1664316), (6, 1386930), (9, 924620), (10, 832158), (12, 693465), (15, 554772), (18, 462310), (20, 416079), (30, 277386), (36, 231155), (45, 184924), (60, 138693), (83, 100260), (90, 92462), (166, 50130), (180, 46231), (249, 33420), (332, 25065), (415, 20052), (498, 16710), (557, 14940), (747, 11140), (830, 10026), (996, 8355), (1114, 7470), (1245, 6684), (1494, 5570), (1660, 5013), (1671, 4980), (2228, 3735), (2490, 3342), (2785, 2988)]