128480560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 160

約数和(自身を含む): 350602560

約数和(自身を除く): 222122000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 43, 52, 65, 68, 80, 85, 86, 104, 130, 136, 169, 170, 172, 208, 215, 221, 260, 272, 338, 340, 344, 430, 442, 520, 559, 676, 680, 688, 731, 845, 860, 884, 1040, 1105, 1118, 1352, 1360, 1462, 1690, 1720, 1768, 2197, 2210, 2236, 2704, 2795, 2873, 2924, 3380, 3440, 3536, 3655, 4394, 4420, 4472, 5590, 5746, 5848, 6760, 7267, 7310, 8788, 8840, 8944, 9503, 10985, 11180, 11492, 11696, 13520, 14365, 14534, 14620, 17576, 17680, 19006, 21970, 22360, 22984, 28730, 29068, 29240, 35152, 36335, 37349, 38012, 43940, 44720, 45968, 47515, 57460, 58136, 58480, 72670, 74698, 76024, 87880, 94471, 95030, 114920, 116272, 123539, 145340, 149396, 152048, 175760, 186745, 188942, 190060, 229840, 247078, 290680, 298792, 373490, 377884, 380120, 472355, 494156, 581360, 597584, 617695, 746980, 755768, 760240, 944710, 988312, 1235390, 1493960, 1511536, 1606007, 1889420, 1976624, 2470780, 2987920, 3212014, 3778840, 4941560, 6424028, 7557680, 8030035, 9883120, 12848056, 16060070, 25696112, 32120140, 64240280, 128480560]

約数ペア:

[(1, 128480560), (2, 64240280), (4, 32120140), (5, 25696112), (8, 16060070), (10, 12848056), (13, 9883120), (16, 8030035), (17, 7557680), (20, 6424028), (26, 4941560), (34, 3778840), (40, 3212014), (43, 2987920), (52, 2470780), (65, 1976624), (68, 1889420), (80, 1606007), (85, 1511536), (86, 1493960), (104, 1235390), (130, 988312), (136, 944710), (169, 760240), (170, 755768), (172, 746980), (208, 617695), (215, 597584), (221, 581360), (260, 494156), (272, 472355), (338, 380120), (340, 377884), (344, 373490), (430, 298792), (442, 290680), (520, 247078), (559, 229840), (676, 190060), (680, 188942), (688, 186745), (731, 175760), (845, 152048), (860, 149396), (884, 145340), (1040, 123539), (1105, 116272), (1118, 114920), (1352, 95030), (1360, 94471), (1462, 87880), (1690, 76024), (1720, 74698), (1768, 72670), (2197, 58480), (2210, 58136), (2236, 57460), (2704, 47515), (2795, 45968), (2873, 44720), (2924, 43940), (3380, 38012), (3440, 37349), (3536, 36335), (3655, 35152), (4394, 29240), (4420, 29068), (4472, 28730), (5590, 22984), (5746, 22360), (5848, 21970), (6760, 19006), (7267, 17680), (7310, 17576), (8788, 14620), (8840, 14534), (8944, 14365), (9503, 13520), (10985, 11696), (11180, 11492)]