305116440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1017

約数の個数: 128

約数和(自身を含む): 970617600

約数和(自身を除く): 665501160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 163, 190, 228, 285, 326, 380, 456, 489, 570, 652, 760, 815, 821, 978, 1140, 1304, 1630, 1642, 1956, 2280, 2445, 2463, 3097, 3260, 3284, 3912, 4105, 4890, 4926, 6194, 6520, 6568, 8210, 9291, 9780, 9852, 12315, 12388, 15485, 15599, 16420, 18582, 19560, 19704, 24630, 24776, 30970, 31198, 32840, 37164, 46455, 46797, 49260, 61940, 62396, 74328, 77995, 92910, 93594, 98520, 123880, 124792, 133823, 155990, 185820, 187188, 233985, 267646, 311980, 371640, 374376, 401469, 467970, 535292, 623960, 669115, 802938, 935940, 1070584, 1338230, 1605876, 1871880, 2007345, 2542637, 2676460, 3211752, 4014690, 5085274, 5352920, 7627911, 8029380, 10170548, 12713185, 15255822, 16058760, 20341096, 25426370, 30511644, 38139555, 50852740, 61023288, 76279110, 101705480, 152558220, 305116440]

約数ペア:

[(1, 305116440), (2, 152558220), (3, 101705480), (4, 76279110), (5, 61023288), (6, 50852740), (8, 38139555), (10, 30511644), (12, 25426370), (15, 20341096), (19, 16058760), (20, 15255822), (24, 12713185), (30, 10170548), (38, 8029380), (40, 7627911), (57, 5352920), (60, 5085274), (76, 4014690), (95, 3211752), (114, 2676460), (120, 2542637), (152, 2007345), (163, 1871880), (190, 1605876), (228, 1338230), (285, 1070584), (326, 935940), (380, 802938), (456, 669115), (489, 623960), (570, 535292), (652, 467970), (760, 401469), (815, 374376), (821, 371640), (978, 311980), (1140, 267646), (1304, 233985), (1630, 187188), (1642, 185820), (1956, 155990), (2280, 133823), (2445, 124792), (2463, 123880), (3097, 98520), (3260, 93594), (3284, 92910), (3912, 77995), (4105, 74328), (4890, 62396), (4926, 61940), (6194, 49260), (6520, 46797), (6568, 46455), (8210, 37164), (9291, 32840), (9780, 31198), (9852, 30970), (12315, 24776), (12388, 24630), (15485, 19704), (15599, 19560), (16420, 18582)]