71561970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 96

約数和(自身を含む): 196245504

約数和(自身を除く): 124683534

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 181, 191, 207, 230, 345, 362, 382, 414, 543, 573, 690, 905, 955, 1035, 1086, 1146, 1629, 1719, 1810, 1910, 2070, 2715, 2865, 3258, 3438, 4163, 4393, 5430, 5730, 8145, 8326, 8595, 8786, 12489, 13179, 16290, 17190, 20815, 21965, 24978, 26358, 34571, 37467, 39537, 41630, 43930, 62445, 65895, 69142, 74934, 79074, 103713, 124890, 131790, 172855, 187335, 197685, 207426, 311139, 345710, 374670, 395370, 518565, 622278, 795133, 1037130, 1555695, 1590266, 2385399, 3111390, 3975665, 4770798, 7156197, 7951330, 11926995, 14312394, 23853990, 35780985, 71561970]

約数ペア:

[(1, 71561970), (2, 35780985), (3, 23853990), (5, 14312394), (6, 11926995), (9, 7951330), (10, 7156197), (15, 4770798), (18, 3975665), (23, 3111390), (30, 2385399), (45, 1590266), (46, 1555695), (69, 1037130), (90, 795133), (115, 622278), (138, 518565), (181, 395370), (191, 374670), (207, 345710), (230, 311139), (345, 207426), (362, 197685), (382, 187335), (414, 172855), (543, 131790), (573, 124890), (690, 103713), (905, 79074), (955, 74934), (1035, 69142), (1086, 65895), (1146, 62445), (1629, 43930), (1719, 41630), (1810, 39537), (1910, 37467), (2070, 34571), (2715, 26358), (2865, 24978), (3258, 21965), (3438, 20815), (4163, 17190), (4393, 16290), (5430, 13179), (5730, 12489), (8145, 8786), (8326, 8595)]