781284660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{18899}}^1$

素因数の和:18977

約数の個数: 96

約数和(自身を含む): 2400451200

約数和(自身を除く): 1619166540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 195, 212, 260, 265, 318, 390, 530, 636, 689, 780, 795, 1060, 1378, 1590, 2067, 2756, 3180, 3445, 4134, 6890, 8268, 10335, 13780, 18899, 20670, 37798, 41340, 56697, 75596, 94495, 113394, 188990, 226788, 245687, 283485, 377980, 491374, 566970, 737061, 982748, 1001647, 1133940, 1228435, 1474122, 2003294, 2456870, 2948244, 3004941, 3685305, 4006588, 4913740, 5008235, 6009882, 7370610, 10016470, 12019764, 13021411, 14741220, 15024705, 20032940, 26042822, 30049410, 39064233, 52085644, 60098820, 65107055, 78128466, 130214110, 156256932, 195321165, 260428220, 390642330, 781284660]

約数ペア:

[(1, 781284660), (2, 390642330), (3, 260428220), (4, 195321165), (5, 156256932), (6, 130214110), (10, 78128466), (12, 65107055), (13, 60098820), (15, 52085644), (20, 39064233), (26, 30049410), (30, 26042822), (39, 20032940), (52, 15024705), (53, 14741220), (60, 13021411), (65, 12019764), (78, 10016470), (106, 7370610), (130, 6009882), (156, 5008235), (159, 4913740), (195, 4006588), (212, 3685305), (260, 3004941), (265, 2948244), (318, 2456870), (390, 2003294), (530, 1474122), (636, 1228435), (689, 1133940), (780, 1001647), (795, 982748), (1060, 737061), (1378, 566970), (1590, 491374), (2067, 377980), (2756, 283485), (3180, 245687), (3445, 226788), (4134, 188990), (6890, 113394), (8268, 94495), (10335, 75596), (13780, 56697), (18899, 41340), (20670, 37798)]