778230960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249433}}^1$

素因数の和:249462

約数の個数: 80

約数和(自身を含む): 2598104544

約数和(自身を除く): 1819873584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 249433, 498866, 748299, 997732, 1247165, 1496598, 1995464, 2494330, 2993196, 3242629, 3741495, 3990928, 4988660, 5986392, 6485258, 7482990, 9727887, 9977320, 11972784, 12970516, 14965980, 16213145, 19455774, 19954640, 25941032, 29931960, 32426290, 38911548, 48639435, 51882064, 59863920, 64852580, 77823096, 97278870, 129705160, 155646192, 194557740, 259410320, 389115480, 778230960]

約数ペア:

[(1, 778230960), (2, 389115480), (3, 259410320), (4, 194557740), (5, 155646192), (6, 129705160), (8, 97278870), (10, 77823096), (12, 64852580), (13, 59863920), (15, 51882064), (16, 48639435), (20, 38911548), (24, 32426290), (26, 29931960), (30, 25941032), (39, 19954640), (40, 19455774), (48, 16213145), (52, 14965980), (60, 12970516), (65, 11972784), (78, 9977320), (80, 9727887), (104, 7482990), (120, 6485258), (130, 5986392), (156, 4988660), (195, 3990928), (208, 3741495), (240, 3242629), (260, 2993196), (312, 2494330), (390, 1995464), (520, 1496598), (624, 1247165), (780, 997732), (1040, 748299), (1560, 498866), (3120, 249433)]