31471980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1453}}^1$

素因数の和:1503

約数の個数: 72

約数和(自身を含む): 93067632

約数和(自身を除く): 61595652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1453, 1805, 2166, 2906, 3610, 4332, 4359, 5415, 5812, 7220, 7265, 8718, 10830, 14530, 17436, 21660, 21795, 27607, 29060, 43590, 55214, 82821, 87180, 110428, 138035, 165642, 276070, 331284, 414105, 524533, 552140, 828210, 1049066, 1573599, 1656420, 2098132, 2622665, 3147198, 5245330, 6294396, 7867995, 10490660, 15735990, 31471980]

約数ペア:

[(1, 31471980), (2, 15735990), (3, 10490660), (4, 7867995), (5, 6294396), (6, 5245330), (10, 3147198), (12, 2622665), (15, 2098132), (19, 1656420), (20, 1573599), (30, 1049066), (38, 828210), (57, 552140), (60, 524533), (76, 414105), (95, 331284), (114, 276070), (190, 165642), (228, 138035), (285, 110428), (361, 87180), (380, 82821), (570, 55214), (722, 43590), (1083, 29060), (1140, 27607), (1444, 21795), (1453, 21660), (1805, 17436), (2166, 14530), (2906, 10830), (3610, 8718), (4332, 7265), (4359, 7220), (5415, 5812)]