1245794940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{532391}}^1$

素因数の和:532419

約数の個数: 72

約数和(自身を含む): 4069604448

約数和(自身を除く): 2823809508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 532391, 1064782, 1597173, 2129564, 2661955, 3194346, 4791519, 5323910, 6388692, 6921083, 7985865, 9583038, 10647820, 13842166, 15971730, 19166076, 20763249, 23957595, 27684332, 31943460, 34605415, 41526498, 47915190, 62289747, 69210830, 83052996, 95830380, 103816245, 124579494, 138421660, 207632490, 249158988, 311448735, 415264980, 622897470, 1245794940]

約数ペア:

[(1, 1245794940), (2, 622897470), (3, 415264980), (4, 311448735), (5, 249158988), (6, 207632490), (9, 138421660), (10, 124579494), (12, 103816245), (13, 95830380), (15, 83052996), (18, 69210830), (20, 62289747), (26, 47915190), (30, 41526498), (36, 34605415), (39, 31943460), (45, 27684332), (52, 23957595), (60, 20763249), (65, 19166076), (78, 15971730), (90, 13842166), (117, 10647820), (130, 9583038), (156, 7985865), (180, 6921083), (195, 6388692), (234, 5323910), (260, 4791519), (390, 3194346), (468, 2661955), (585, 2129564), (780, 1597173), (1170, 1064782), (2340, 532391)]