920464740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{393361}}^1$

素因数の和:393389

約数の個数: 72

約数和(自身を含む): 3006859128

約数和(自身を除く): 2086394388

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, 393361, 786722, 1180083, 1573444, 1966805, 2360166, 3540249, 3933610, 4720332, 5113693, 5900415, 7080498, 7867220, 10227386, 11800830, 14160996, 15341079, 17701245, 20454772, 23601660, 25568465, 30682158, 35402490, 46023237, 51136930, 61364316, 70804980, 76705395, 92046474, 102273860, 153410790, 184092948, 230116185, 306821580, 460232370, 920464740]

約数ペア:

[(1, 920464740), (2, 460232370), (3, 306821580), (4, 230116185), (5, 184092948), (6, 153410790), (9, 102273860), (10, 92046474), (12, 76705395), (13, 70804980), (15, 61364316), (18, 51136930), (20, 46023237), (26, 35402490), (30, 30682158), (36, 25568465), (39, 23601660), (45, 20454772), (52, 17701245), (60, 15341079), (65, 14160996), (78, 11800830), (90, 10227386), (117, 7867220), (130, 7080498), (156, 5900415), (180, 5113693), (195, 4720332), (234, 3933610), (260, 3540249), (390, 2360166), (468, 1966805), (585, 1573444), (780, 1180083), (1170, 786722), (2340, 393361)]