218430180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3877}}^1$

素因数の和:4205

約数の個数: 72

約数和(自身を含む): 664859832

約数和(自身を除く): 446429652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1565, 1878, 2817, 3130, 3756, 3877, 4695, 5634, 6260, 7754, 9390, 11268, 11631, 14085, 15508, 18780, 19385, 23262, 28170, 34893, 38770, 46524, 56340, 58155, 69786, 77540, 116310, 139572, 174465, 232620, 348930, 697860, 1213501, 2427002, 3640503, 4854004, 6067505, 7281006, 10921509, 12135010, 14562012, 18202515, 21843018, 24270020, 36405030, 43686036, 54607545, 72810060, 109215090, 218430180]

約数ペア:

[(1, 218430180), (2, 109215090), (3, 72810060), (4, 54607545), (5, 43686036), (6, 36405030), (9, 24270020), (10, 21843018), (12, 18202515), (15, 14562012), (18, 12135010), (20, 10921509), (30, 7281006), (36, 6067505), (45, 4854004), (60, 3640503), (90, 2427002), (180, 1213501), (313, 697860), (626, 348930), (939, 232620), (1252, 174465), (1565, 139572), (1878, 116310), (2817, 77540), (3130, 69786), (3756, 58155), (3877, 56340), (4695, 46524), (5634, 38770), (6260, 34893), (7754, 28170), (9390, 23262), (11268, 19385), (11631, 18780), (14085, 15508)]