205425480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3559}}^1$

素因数の和:3623

約数の個数: 128

約数和(自身を含む): 681811200

約数和(自身を除く): 476385720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3559, 3848, 4440, 4810, 5772, 7118, 7215, 9620, 10677, 11544, 14236, 14430, 17795, 19240, 21354, 28472, 28860, 35590, 42708, 46267, 53385, 57720, 71180, 85416, 92534, 106770, 131683, 138801, 142360, 185068, 213540, 231335, 263366, 277602, 370136, 395049, 427080, 462670, 526732, 555204, 658415, 694005, 790098, 925340, 1053464, 1110408, 1316830, 1388010, 1580196, 1711879, 1850680, 1975245, 2633660, 2776020, 3160392, 3423758, 3950490, 5135637, 5267320, 5552040, 6847516, 7900980, 8559395, 10271274, 13695032, 15801960, 17118790, 20542548, 25678185, 34237580, 41085096, 51356370, 68475160, 102712740, 205425480]

約数ペア:

[(1, 205425480), (2, 102712740), (3, 68475160), (4, 51356370), (5, 41085096), (6, 34237580), (8, 25678185), (10, 20542548), (12, 17118790), (13, 15801960), (15, 13695032), (20, 10271274), (24, 8559395), (26, 7900980), (30, 6847516), (37, 5552040), (39, 5267320), (40, 5135637), (52, 3950490), (60, 3423758), (65, 3160392), (74, 2776020), (78, 2633660), (104, 1975245), (111, 1850680), (120, 1711879), (130, 1580196), (148, 1388010), (156, 1316830), (185, 1110408), (195, 1053464), (222, 925340), (260, 790098), (296, 694005), (312, 658415), (370, 555204), (390, 526732), (444, 462670), (481, 427080), (520, 395049), (555, 370136), (740, 277602), (780, 263366), (888, 231335), (962, 213540), (1110, 185068), (1443, 142360), (1480, 138801), (1560, 131683), (1924, 106770), (2220, 92534), (2405, 85416), (2886, 71180), (3559, 57720), (3848, 53385), (4440, 46267), (4810, 42708), (5772, 35590), (7118, 28860), (7215, 28472), (9620, 21354), (10677, 19240), (11544, 17795), (14236, 14430)]