261393210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74471}}^1$

素因数の和:74500

約数の個数: 64

約数和(自身を含む): 750677760

約数和(自身を除く): 489284550

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 74471, 148942, 223413, 372355, 446826, 670239, 744710, 968123, 1117065, 1340478, 1936246, 2010717, 2234130, 2904369, 3351195, 4021434, 4840615, 5808738, 6702390, 8713107, 9681230, 10053585, 14521845, 17426214, 20107170, 26139321, 29043690, 43565535, 52278642, 87131070, 130696605, 261393210]

約数ペア:

[(1, 261393210), (2, 130696605), (3, 87131070), (5, 52278642), (6, 43565535), (9, 29043690), (10, 26139321), (13, 20107170), (15, 17426214), (18, 14521845), (26, 10053585), (27, 9681230), (30, 8713107), (39, 6702390), (45, 5808738), (54, 4840615), (65, 4021434), (78, 3351195), (90, 2904369), (117, 2234130), (130, 2010717), (135, 1936246), (195, 1340478), (234, 1117065), (270, 968123), (351, 744710), (390, 670239), (585, 446826), (702, 372355), (1170, 223413), (1755, 148942), (3510, 74471)]