207718380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:676

約数の個数: 144

約数和(自身を含む): 659602944

約数和(自身を除く): 451884564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 60, 86, 90, 94, 129, 141, 172, 180, 188, 215, 235, 258, 282, 387, 423, 430, 470, 516, 564, 571, 645, 705, 774, 846, 860, 940, 1142, 1290, 1410, 1548, 1692, 1713, 1935, 2021, 2115, 2284, 2580, 2820, 2855, 3426, 3870, 4042, 4230, 5139, 5710, 6063, 6852, 7740, 8084, 8460, 8565, 10105, 10278, 11420, 12126, 17130, 18189, 20210, 20556, 24252, 24553, 25695, 26837, 30315, 34260, 36378, 40420, 49106, 51390, 53674, 60630, 72756, 73659, 80511, 90945, 98212, 102780, 107348, 121260, 122765, 134185, 147318, 161022, 181890, 220977, 241533, 245530, 268370, 294636, 322044, 363780, 368295, 402555, 441954, 483066, 491060, 536740, 736590, 805110, 883908, 966132, 1104885, 1153991, 1207665, 1473180, 1610220, 2209770, 2307982, 2415330, 3461973, 4419540, 4615964, 4830660, 5769955, 6923946, 10385919, 11539910, 13847892, 17309865, 20771838, 23079820, 34619730, 41543676, 51929595, 69239460, 103859190, 207718380]

約数ペア:

[(1, 207718380), (2, 103859190), (3, 69239460), (4, 51929595), (5, 41543676), (6, 34619730), (9, 23079820), (10, 20771838), (12, 17309865), (15, 13847892), (18, 11539910), (20, 10385919), (30, 6923946), (36, 5769955), (43, 4830660), (45, 4615964), (47, 4419540), (60, 3461973), (86, 2415330), (90, 2307982), (94, 2209770), (129, 1610220), (141, 1473180), (172, 1207665), (180, 1153991), (188, 1104885), (215, 966132), (235, 883908), (258, 805110), (282, 736590), (387, 536740), (423, 491060), (430, 483066), (470, 441954), (516, 402555), (564, 368295), (571, 363780), (645, 322044), (705, 294636), (774, 268370), (846, 245530), (860, 241533), (940, 220977), (1142, 181890), (1290, 161022), (1410, 147318), (1548, 134185), (1692, 122765), (1713, 121260), (1935, 107348), (2021, 102780), (2115, 98212), (2284, 90945), (2580, 80511), (2820, 73659), (2855, 72756), (3426, 60630), (3870, 53674), (4042, 51390), (4230, 49106), (5139, 40420), (5710, 36378), (6063, 34260), (6852, 30315), (7740, 26837), (8084, 25695), (8460, 24553), (8565, 24252), (10105, 20556), (10278, 20210), (11420, 18189), (12126, 17130)]