487751940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208441}}^1$

素因数の和:208469

約数の個数: 72

約数和(自身を含む): 1593330648

約数和(自身を除く): 1105578708

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, 208441, 416882, 625323, 833764, 1042205, 1250646, 1875969, 2084410, 2501292, 2709733, 3126615, 3751938, 4168820, 5419466, 6253230, 7503876, 8129199, 9379845, 10838932, 12506460, 13548665, 16258398, 18759690, 24387597, 27097330, 32516796, 37519380, 40645995, 48775194, 54194660, 81291990, 97550388, 121937985, 162583980, 243875970, 487751940]

約数ペア:

[(1, 487751940), (2, 243875970), (3, 162583980), (4, 121937985), (5, 97550388), (6, 81291990), (9, 54194660), (10, 48775194), (12, 40645995), (13, 37519380), (15, 32516796), (18, 27097330), (20, 24387597), (26, 18759690), (30, 16258398), (36, 13548665), (39, 12506460), (45, 10838932), (52, 9379845), (60, 8129199), (65, 7503876), (78, 6253230), (90, 5419466), (117, 4168820), (130, 3751938), (156, 3126615), (180, 2709733), (195, 2501292), (234, 2084410), (260, 1875969), (390, 1250646), (468, 1042205), (585, 833764), (780, 625323), (1170, 416882), (2340, 208441)]