378945840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17351}}^1$

素因数の和:17387

約数の個数: 160

約数和(自身を含む): 1445907456

約数和(自身を除く): 1066961616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 17351, 21840, 34702, 52053, 69404, 86755, 104106, 121457, 138808, 173510, 208212, 225563, 242914, 260265, 277616, 347020, 364371, 416424, 451126, 485828, 520530, 607285, 676689, 694040, 728742, 832848, 902252, 971656, 1041060, 1127815, 1214570, 1353378, 1388080, 1457484, 1578941, 1804504, 1821855, 1943312, 2082120, 2255630, 2429140, 2706756, 2914968, 3157882, 3383445, 3609008, 3643710, 4164240, 4511260, 4736823, 4858280, 5413512, 5829936, 6315764, 6766890, 7287420, 7894705, 9022520, 9473646, 9716560, 10827024, 12631528, 13533780, 14574840, 15789410, 18045040, 18947292, 23684115, 25263056, 27067560, 29149680, 31578820, 37894584, 47368230, 54135120, 63157640, 75789168, 94736460, 126315280, 189472920, 378945840]

約数ペア:

[(1, 378945840), (2, 189472920), (3, 126315280), (4, 94736460), (5, 75789168), (6, 63157640), (7, 54135120), (8, 47368230), (10, 37894584), (12, 31578820), (13, 29149680), (14, 27067560), (15, 25263056), (16, 23684115), (20, 18947292), (21, 18045040), (24, 15789410), (26, 14574840), (28, 13533780), (30, 12631528), (35, 10827024), (39, 9716560), (40, 9473646), (42, 9022520), (48, 7894705), (52, 7287420), (56, 6766890), (60, 6315764), (65, 5829936), (70, 5413512), (78, 4858280), (80, 4736823), (84, 4511260), (91, 4164240), (104, 3643710), (105, 3609008), (112, 3383445), (120, 3157882), (130, 2914968), (140, 2706756), (156, 2429140), (168, 2255630), (182, 2082120), (195, 1943312), (208, 1821855), (210, 1804504), (240, 1578941), (260, 1457484), (273, 1388080), (280, 1353378), (312, 1214570), (336, 1127815), (364, 1041060), (390, 971656), (420, 902252), (455, 832848), (520, 728742), (546, 694040), (560, 676689), (624, 607285), (728, 520530), (780, 485828), (840, 451126), (910, 416424), (1040, 364371), (1092, 347020), (1365, 277616), (1456, 260265), (1560, 242914), (1680, 225563), (1820, 208212), (2184, 173510), (2730, 138808), (3120, 121457), (3640, 104106), (4368, 86755), (5460, 69404), (7280, 52053), (10920, 34702), (17351, 21840)]