77801940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 248242176

約数和(自身を除く): 170440236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 73, 90, 93, 124, 146, 155, 180, 186, 191, 219, 279, 292, 310, 365, 372, 382, 438, 465, 558, 573, 620, 657, 730, 764, 876, 930, 955, 1095, 1116, 1146, 1314, 1395, 1460, 1719, 1860, 1910, 2190, 2263, 2292, 2628, 2790, 2865, 3285, 3438, 3820, 4380, 4526, 5580, 5730, 5921, 6570, 6789, 6876, 8595, 9052, 11315, 11460, 11842, 13140, 13578, 13943, 17190, 17763, 20367, 22630, 23684, 27156, 27886, 29605, 33945, 34380, 35526, 40734, 41829, 45260, 53289, 55772, 59210, 67890, 69715, 71052, 81468, 83658, 88815, 101835, 106578, 118420, 125487, 135780, 139430, 167316, 177630, 203670, 209145, 213156, 250974, 266445, 278860, 355260, 407340, 418290, 432233, 501948, 532890, 627435, 836580, 864466, 1065780, 1254870, 1296699, 1728932, 2161165, 2509740, 2593398, 3890097, 4322330, 5186796, 6483495, 7780194, 8644660, 12966990, 15560388, 19450485, 25933980, 38900970, 77801940]

約数ペア:

[(1, 77801940), (2, 38900970), (3, 25933980), (4, 19450485), (5, 15560388), (6, 12966990), (9, 8644660), (10, 7780194), (12, 6483495), (15, 5186796), (18, 4322330), (20, 3890097), (30, 2593398), (31, 2509740), (36, 2161165), (45, 1728932), (60, 1296699), (62, 1254870), (73, 1065780), (90, 864466), (93, 836580), (124, 627435), (146, 532890), (155, 501948), (180, 432233), (186, 418290), (191, 407340), (219, 355260), (279, 278860), (292, 266445), (310, 250974), (365, 213156), (372, 209145), (382, 203670), (438, 177630), (465, 167316), (558, 139430), (573, 135780), (620, 125487), (657, 118420), (730, 106578), (764, 101835), (876, 88815), (930, 83658), (955, 81468), (1095, 71052), (1116, 69715), (1146, 67890), (1314, 59210), (1395, 55772), (1460, 53289), (1719, 45260), (1860, 41829), (1910, 40734), (2190, 35526), (2263, 34380), (2292, 33945), (2628, 29605), (2790, 27886), (2865, 27156), (3285, 23684), (3438, 22630), (3820, 20367), (4380, 17763), (4526, 17190), (5580, 13943), (5730, 13578), (5921, 13140), (6570, 11842), (6789, 11460), (6876, 11315), (8595, 9052)]