78292760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 219784320

約数和(自身を除く): 141491560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 137, 140, 157, 182, 260, 274, 280, 314, 364, 455, 520, 548, 628, 685, 728, 785, 910, 959, 1096, 1099, 1256, 1370, 1570, 1781, 1820, 1918, 2041, 2198, 2740, 3140, 3562, 3640, 3836, 4082, 4396, 4795, 5480, 5495, 6280, 7124, 7672, 8164, 8792, 8905, 9590, 10205, 10990, 12467, 14248, 14287, 16328, 17810, 19180, 20410, 21509, 21980, 24934, 28574, 35620, 38360, 40820, 43018, 43960, 49868, 57148, 62335, 71240, 71435, 81640, 86036, 99736, 107545, 114296, 124670, 142870, 150563, 172072, 215090, 249340, 279617, 285740, 301126, 430180, 498680, 559234, 571480, 602252, 752815, 860360, 1118468, 1204504, 1398085, 1505630, 1957319, 2236936, 2796170, 3011260, 3914638, 5592340, 6022520, 7829276, 9786595, 11184680, 15658552, 19573190, 39146380, 78292760]

約数ペア:

[(1, 78292760), (2, 39146380), (4, 19573190), (5, 15658552), (7, 11184680), (8, 9786595), (10, 7829276), (13, 6022520), (14, 5592340), (20, 3914638), (26, 3011260), (28, 2796170), (35, 2236936), (40, 1957319), (52, 1505630), (56, 1398085), (65, 1204504), (70, 1118468), (91, 860360), (104, 752815), (130, 602252), (137, 571480), (140, 559234), (157, 498680), (182, 430180), (260, 301126), (274, 285740), (280, 279617), (314, 249340), (364, 215090), (455, 172072), (520, 150563), (548, 142870), (628, 124670), (685, 114296), (728, 107545), (785, 99736), (910, 86036), (959, 81640), (1096, 71435), (1099, 71240), (1256, 62335), (1370, 57148), (1570, 49868), (1781, 43960), (1820, 43018), (1918, 40820), (2041, 38360), (2198, 35620), (2740, 28574), (3140, 24934), (3562, 21980), (3640, 21509), (3836, 20410), (4082, 19180), (4396, 17810), (4795, 16328), (5480, 14287), (5495, 14248), (6280, 12467), (7124, 10990), (7672, 10205), (8164, 9590), (8792, 8905)]