561983520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8803}}^1$

素因数の和:8847

約数の個数: 192

約数和(自身を含む): 2129863680

約数和(自身を除く): 1567880160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2660, 3040, 3192, 3360, 3990, 4256, 4560, 5320, 6384, 7980, 8803, 9120, 10640, 12768, 15960, 17606, 21280, 26409, 31920, 35212, 44015, 52818, 61621, 63840, 70424, 88030, 105636, 123242, 132045, 140848, 167257, 176060, 184863, 211272, 246484, 264090, 281696, 308105, 334514, 352120, 369726, 422544, 492968, 501771, 528180, 616210, 669028, 704240, 739452, 836285, 845088, 924315, 985936, 1003542, 1056360, 1170799, 1232420, 1338056, 1408480, 1478904, 1672570, 1848630, 1971872, 2007084, 2112720, 2341598, 2464840, 2508855, 2676112, 2957808, 3345140, 3512397, 3697260, 4014168, 4225440, 4683196, 4929680, 5017710, 5352224, 5853995, 5915616, 6690280, 7024794, 7394520, 8028336, 9366392, 9859360, 10035420, 11707990, 13380560, 14049588, 14789040, 16056672, 17561985, 18732784, 20070840, 23415980, 26761120, 28099176, 29578080, 35123970, 37465568, 40141680, 46831960, 56198352, 70247940, 80283360, 93663920, 112396704, 140495880, 187327840, 280991760, 561983520]

約数ペア:

[(1, 561983520), (2, 280991760), (3, 187327840), (4, 140495880), (5, 112396704), (6, 93663920), (7, 80283360), (8, 70247940), (10, 56198352), (12, 46831960), (14, 40141680), (15, 37465568), (16, 35123970), (19, 29578080), (20, 28099176), (21, 26761120), (24, 23415980), (28, 20070840), (30, 18732784), (32, 17561985), (35, 16056672), (38, 14789040), (40, 14049588), (42, 13380560), (48, 11707990), (56, 10035420), (57, 9859360), (60, 9366392), (70, 8028336), (76, 7394520), (80, 7024794), (84, 6690280), (95, 5915616), (96, 5853995), (105, 5352224), (112, 5017710), (114, 4929680), (120, 4683196), (133, 4225440), (140, 4014168), (152, 3697260), (160, 3512397), (168, 3345140), (190, 2957808), (210, 2676112), (224, 2508855), (228, 2464840), (240, 2341598), (266, 2112720), (280, 2007084), (285, 1971872), (304, 1848630), (336, 1672570), (380, 1478904), (399, 1408480), (420, 1338056), (456, 1232420), (480, 1170799), (532, 1056360), (560, 1003542), (570, 985936), (608, 924315), (665, 845088), (672, 836285), (760, 739452), (798, 704240), (840, 669028), (912, 616210), (1064, 528180), (1120, 501771), (1140, 492968), (1330, 422544), (1520, 369726), (1596, 352120), (1680, 334514), (1824, 308105), (1995, 281696), (2128, 264090), (2280, 246484), (2660, 211272), (3040, 184863), (3192, 176060), (3360, 167257), (3990, 140848), (4256, 132045), (4560, 123242), (5320, 105636), (6384, 88030), (7980, 70424), (8803, 63840), (9120, 61621), (10640, 52818), (12768, 44015), (15960, 35212), (17606, 31920), (21280, 26409)]