31414980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1669

約数の個数: 96

約数和(自身を含む): 98098560

約数和(自身を除く): 66683580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1621, 1938, 3230, 3242, 3876, 4845, 4863, 6460, 6484, 8105, 9690, 9726, 16210, 19380, 19452, 24315, 27557, 30799, 32420, 48630, 55114, 61598, 82671, 92397, 97260, 110228, 123196, 137785, 153995, 165342, 184794, 275570, 307990, 330684, 369588, 413355, 461985, 523583, 551140, 615980, 826710, 923970, 1047166, 1570749, 1653420, 1847940, 2094332, 2617915, 3141498, 5235830, 6282996, 7853745, 10471660, 15707490, 31414980]

約数ペア:

[(1, 31414980), (2, 15707490), (3, 10471660), (4, 7853745), (5, 6282996), (6, 5235830), (10, 3141498), (12, 2617915), (15, 2094332), (17, 1847940), (19, 1653420), (20, 1570749), (30, 1047166), (34, 923970), (38, 826710), (51, 615980), (57, 551140), (60, 523583), (68, 461985), (76, 413355), (85, 369588), (95, 330684), (102, 307990), (114, 275570), (170, 184794), (190, 165342), (204, 153995), (228, 137785), (255, 123196), (285, 110228), (323, 97260), (340, 92397), (380, 82671), (510, 61598), (570, 55114), (646, 48630), (969, 32420), (1020, 30799), (1140, 27557), (1292, 24315), (1615, 19452), (1621, 19380), (1938, 16210), (3230, 9726), (3242, 9690), (3876, 8105), (4845, 6484), (4863, 6460)]