28970760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 109166400

約数和(自身を除く): 80195640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 379, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 758, 780, 840, 910, 980, 1092, 1137, 1176, 1274, 1365, 1470, 1516, 1560, 1820, 1895, 1911, 1960, 2184, 2274, 2548, 2653, 2730, 2940, 3032, 3185, 3640, 3790, 3822, 4548, 4927, 5096, 5306, 5460, 5685, 5880, 6370, 7580, 7644, 7959, 9096, 9555, 9854, 10612, 10920, 11370, 12740, 13265, 14781, 15160, 15288, 15918, 18571, 19110, 19708, 21224, 22740, 24635, 25480, 26530, 29562, 31836, 34489, 37142, 38220, 39416, 39795, 45480, 49270, 53060, 55713, 59124, 63672, 68978, 73905, 74284, 76440, 79590, 92855, 98540, 103467, 106120, 111426, 118248, 137956, 147810, 148568, 159180, 172445, 185710, 197080, 206934, 222852, 241423, 275912, 278565, 295620, 318360, 344890, 371420, 413868, 445704, 482846, 517335, 557130, 591240, 689780, 724269, 742840, 827736, 965692, 1034670, 1114260, 1207115, 1379560, 1448538, 1931384, 2069340, 2228520, 2414230, 2897076, 3621345, 4138680, 4828460, 5794152, 7242690, 9656920, 14485380, 28970760]

約数ペア:

[(1, 28970760), (2, 14485380), (3, 9656920), (4, 7242690), (5, 5794152), (6, 4828460), (7, 4138680), (8, 3621345), (10, 2897076), (12, 2414230), (13, 2228520), (14, 2069340), (15, 1931384), (20, 1448538), (21, 1379560), (24, 1207115), (26, 1114260), (28, 1034670), (30, 965692), (35, 827736), (39, 742840), (40, 724269), (42, 689780), (49, 591240), (52, 557130), (56, 517335), (60, 482846), (65, 445704), (70, 413868), (78, 371420), (84, 344890), (91, 318360), (98, 295620), (104, 278565), (105, 275912), (120, 241423), (130, 222852), (140, 206934), (147, 197080), (156, 185710), (168, 172445), (182, 159180), (195, 148568), (196, 147810), (210, 137956), (245, 118248), (260, 111426), (273, 106120), (280, 103467), (294, 98540), (312, 92855), (364, 79590), (379, 76440), (390, 74284), (392, 73905), (420, 68978), (455, 63672), (490, 59124), (520, 55713), (546, 53060), (588, 49270), (637, 45480), (728, 39795), (735, 39416), (758, 38220), (780, 37142), (840, 34489), (910, 31836), (980, 29562), (1092, 26530), (1137, 25480), (1176, 24635), (1274, 22740), (1365, 21224), (1470, 19708), (1516, 19110), (1560, 18571), (1820, 15918), (1895, 15288), (1911, 15160), (1960, 14781), (2184, 13265), (2274, 12740), (2548, 11370), (2653, 10920), (2730, 10612), (2940, 9854), (3032, 9555), (3185, 9096), (3640, 7959), (3790, 7644), (3822, 7580), (4548, 6370), (4927, 5880), (5096, 5685), (5306, 5460)]