61918740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 206938368

約数和(自身を除く): 145019628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 117, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 390, 423, 468, 470, 563, 564, 585, 611, 705, 780, 846, 940, 1126, 1170, 1222, 1410, 1689, 1692, 1833, 2115, 2252, 2340, 2444, 2815, 2820, 3055, 3378, 3666, 4230, 5067, 5499, 5630, 6110, 6756, 7319, 7332, 8445, 8460, 9165, 10134, 10998, 11260, 12220, 14638, 16890, 18330, 20268, 21957, 21996, 25335, 26461, 27495, 29276, 33780, 36595, 36660, 43914, 50670, 52922, 54990, 65871, 73190, 79383, 87828, 101340, 105844, 109785, 109980, 131742, 132305, 146380, 158766, 219570, 238149, 263484, 264610, 317532, 329355, 343993, 396915, 439140, 476298, 529220, 658710, 687986, 793830, 952596, 1031979, 1190745, 1317420, 1375972, 1587660, 1719965, 2063958, 2381490, 3095937, 3439930, 4127916, 4762980, 5159895, 6191874, 6879860, 10319790, 12383748, 15479685, 20639580, 30959370, 61918740]

約数ペア:

[(1, 61918740), (2, 30959370), (3, 20639580), (4, 15479685), (5, 12383748), (6, 10319790), (9, 6879860), (10, 6191874), (12, 5159895), (13, 4762980), (15, 4127916), (18, 3439930), (20, 3095937), (26, 2381490), (30, 2063958), (36, 1719965), (39, 1587660), (45, 1375972), (47, 1317420), (52, 1190745), (60, 1031979), (65, 952596), (78, 793830), (90, 687986), (94, 658710), (117, 529220), (130, 476298), (141, 439140), (156, 396915), (180, 343993), (188, 329355), (195, 317532), (234, 264610), (235, 263484), (260, 238149), (282, 219570), (390, 158766), (423, 146380), (468, 132305), (470, 131742), (563, 109980), (564, 109785), (585, 105844), (611, 101340), (705, 87828), (780, 79383), (846, 73190), (940, 65871), (1126, 54990), (1170, 52922), (1222, 50670), (1410, 43914), (1689, 36660), (1692, 36595), (1833, 33780), (2115, 29276), (2252, 27495), (2340, 26461), (2444, 25335), (2815, 21996), (2820, 21957), (3055, 20268), (3378, 18330), (3666, 16890), (4230, 14638), (5067, 12220), (5499, 11260), (5630, 10998), (6110, 10134), (6756, 9165), (7319, 8460), (7332, 8445)]