245495640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9257}}^1$

素因数の和:9301

約数の個数: 128

約数和(自身を含む): 839885760

約数和(自身を除く): 594390120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 9257, 13260, 18514, 26520, 27771, 37028, 46285, 55542, 74056, 92570, 111084, 120341, 138855, 157369, 185140, 222168, 240682, 277710, 314738, 361023, 370280, 472107, 481364, 555420, 601705, 629476, 722046, 786845, 944214, 962728, 1110840, 1203410, 1258952, 1444092, 1573690, 1805115, 1888428, 2045797, 2360535, 2406820, 2888184, 3147380, 3610230, 3776856, 4091594, 4721070, 4813640, 6137391, 6294760, 7220460, 8183188, 9442140, 10228985, 12274782, 14440920, 16366376, 18884280, 20457970, 24549564, 30686955, 40915940, 49099128, 61373910, 81831880, 122747820, 245495640]

約数ペア:

[(1, 245495640), (2, 122747820), (3, 81831880), (4, 61373910), (5, 49099128), (6, 40915940), (8, 30686955), (10, 24549564), (12, 20457970), (13, 18884280), (15, 16366376), (17, 14440920), (20, 12274782), (24, 10228985), (26, 9442140), (30, 8183188), (34, 7220460), (39, 6294760), (40, 6137391), (51, 4813640), (52, 4721070), (60, 4091594), (65, 3776856), (68, 3610230), (78, 3147380), (85, 2888184), (102, 2406820), (104, 2360535), (120, 2045797), (130, 1888428), (136, 1805115), (156, 1573690), (170, 1444092), (195, 1258952), (204, 1203410), (221, 1110840), (255, 962728), (260, 944214), (312, 786845), (340, 722046), (390, 629476), (408, 601705), (442, 555420), (510, 481364), (520, 472107), (663, 370280), (680, 361023), (780, 314738), (884, 277710), (1020, 240682), (1105, 222168), (1326, 185140), (1560, 157369), (1768, 138855), (2040, 120341), (2210, 111084), (2652, 92570), (3315, 74056), (4420, 55542), (5304, 46285), (6630, 37028), (8840, 27771), (9257, 26520), (13260, 18514)]