31485870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1583}}^1$

素因数の和:1626

約数の個数: 96

約数和(自身を含む): 93405312

約数和(自身を除く): 61919442

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1105, 1170, 1326, 1530, 1583, 1989, 2210, 3166, 3315, 3978, 4749, 6630, 7915, 9498, 9945, 14247, 15830, 19890, 20579, 23745, 26911, 28494, 41158, 47490, 53822, 61737, 71235, 80733, 102895, 123474, 134555, 142470, 161466, 185211, 205790, 242199, 269110, 308685, 349843, 370422, 403665, 484398, 617370, 699686, 807330, 926055, 1049529, 1210995, 1749215, 1852110, 2099058, 2421990, 3148587, 3498430, 5247645, 6297174, 10495290, 15742935, 31485870]

約数ペア:

[(1, 31485870), (2, 15742935), (3, 10495290), (5, 6297174), (6, 5247645), (9, 3498430), (10, 3148587), (13, 2421990), (15, 2099058), (17, 1852110), (18, 1749215), (26, 1210995), (30, 1049529), (34, 926055), (39, 807330), (45, 699686), (51, 617370), (65, 484398), (78, 403665), (85, 370422), (90, 349843), (102, 308685), (117, 269110), (130, 242199), (153, 205790), (170, 185211), (195, 161466), (221, 142470), (234, 134555), (255, 123474), (306, 102895), (390, 80733), (442, 71235), (510, 61737), (585, 53822), (663, 47490), (765, 41158), (1105, 28494), (1170, 26911), (1326, 23745), (1530, 20579), (1583, 19890), (1989, 15830), (2210, 14247), (3166, 9945), (3315, 9498), (3978, 7915), (4749, 6630)]