61980750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 182593008

約数和(自身を除く): 120612258

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 125, 130, 150, 163, 169, 195, 225, 234, 250, 325, 326, 338, 375, 390, 450, 489, 507, 585, 650, 750, 815, 845, 975, 978, 1014, 1125, 1170, 1467, 1521, 1625, 1630, 1690, 1950, 2119, 2250, 2445, 2535, 2925, 2934, 3042, 3250, 4075, 4225, 4238, 4875, 4890, 5070, 5850, 6357, 7335, 7605, 8150, 8450, 9750, 10595, 12225, 12675, 12714, 14625, 14670, 15210, 19071, 20375, 21125, 21190, 24450, 25350, 27547, 29250, 31785, 36675, 38025, 38142, 40750, 42250, 52975, 55094, 61125, 63375, 63570, 73350, 76050, 82641, 95355, 105950, 122250, 126750, 137735, 158925, 165282, 183375, 190125, 190710, 247923, 264875, 275470, 317850, 366750, 380250, 413205, 476775, 495846, 529750, 688675, 794625, 826410, 953550, 1239615, 1377350, 1589250, 2066025, 2383875, 2479230, 3443375, 4132050, 4767750, 6198075, 6886750, 10330125, 12396150, 20660250, 30990375, 61980750]

約数ペア:

[(1, 61980750), (2, 30990375), (3, 20660250), (5, 12396150), (6, 10330125), (9, 6886750), (10, 6198075), (13, 4767750), (15, 4132050), (18, 3443375), (25, 2479230), (26, 2383875), (30, 2066025), (39, 1589250), (45, 1377350), (50, 1239615), (65, 953550), (75, 826410), (78, 794625), (90, 688675), (117, 529750), (125, 495846), (130, 476775), (150, 413205), (163, 380250), (169, 366750), (195, 317850), (225, 275470), (234, 264875), (250, 247923), (325, 190710), (326, 190125), (338, 183375), (375, 165282), (390, 158925), (450, 137735), (489, 126750), (507, 122250), (585, 105950), (650, 95355), (750, 82641), (815, 76050), (845, 73350), (975, 63570), (978, 63375), (1014, 61125), (1125, 55094), (1170, 52975), (1467, 42250), (1521, 40750), (1625, 38142), (1630, 38025), (1690, 36675), (1950, 31785), (2119, 29250), (2250, 27547), (2445, 25350), (2535, 24450), (2925, 21190), (2934, 21125), (3042, 20375), (3250, 19071), (4075, 15210), (4225, 14670), (4238, 14625), (4875, 12714), (4890, 12675), (5070, 12225), (5850, 10595), (6357, 9750), (7335, 8450), (7605, 8150)]