287463780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 895999104

約数和(自身を除く): 608535324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 131, 146, 167, 180, 219, 262, 292, 334, 365, 393, 438, 501, 524, 655, 657, 668, 730, 786, 835, 876, 1002, 1095, 1179, 1310, 1314, 1460, 1503, 1572, 1670, 1965, 2004, 2190, 2358, 2505, 2620, 2628, 3006, 3285, 3340, 3930, 4380, 4716, 5010, 5895, 6012, 6570, 7515, 7860, 9563, 10020, 11790, 12191, 13140, 15030, 19126, 21877, 23580, 24382, 28689, 30060, 36573, 38252, 43754, 47815, 48764, 57378, 60955, 65631, 73146, 86067, 87508, 95630, 109385, 109719, 114756, 121910, 131262, 143445, 146292, 172134, 182865, 191260, 196893, 218770, 219438, 243820, 262524, 286890, 328155, 344268, 365730, 393786, 430335, 437540, 438876, 548595, 573780, 656310, 731460, 787572, 860670, 984465, 1097190, 1312620, 1597021, 1721340, 1968930, 2194380, 3194042, 3937860, 4791063, 6388084, 7985105, 9582126, 14373189, 15970210, 19164252, 23955315, 28746378, 31940420, 47910630, 57492756, 71865945, 95821260, 143731890, 287463780]

約数ペア:

[(1, 287463780), (2, 143731890), (3, 95821260), (4, 71865945), (5, 57492756), (6, 47910630), (9, 31940420), (10, 28746378), (12, 23955315), (15, 19164252), (18, 15970210), (20, 14373189), (30, 9582126), (36, 7985105), (45, 6388084), (60, 4791063), (73, 3937860), (90, 3194042), (131, 2194380), (146, 1968930), (167, 1721340), (180, 1597021), (219, 1312620), (262, 1097190), (292, 984465), (334, 860670), (365, 787572), (393, 731460), (438, 656310), (501, 573780), (524, 548595), (655, 438876), (657, 437540), (668, 430335), (730, 393786), (786, 365730), (835, 344268), (876, 328155), (1002, 286890), (1095, 262524), (1179, 243820), (1310, 219438), (1314, 218770), (1460, 196893), (1503, 191260), (1572, 182865), (1670, 172134), (1965, 146292), (2004, 143445), (2190, 131262), (2358, 121910), (2505, 114756), (2620, 109719), (2628, 109385), (3006, 95630), (3285, 87508), (3340, 86067), (3930, 73146), (4380, 65631), (4716, 60955), (5010, 57378), (5895, 48764), (6012, 47815), (6570, 43754), (7515, 38252), (7860, 36573), (9563, 30060), (10020, 28689), (11790, 24382), (12191, 23580), (13140, 21877), (15030, 19126)]