128568720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:869

約数の個数: 160

約数和(自身を含む): 460541952

約数和(自身を除く): 331973232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 103, 105, 112, 120, 140, 168, 206, 210, 240, 280, 309, 336, 412, 420, 515, 560, 618, 721, 743, 824, 840, 1030, 1236, 1442, 1486, 1545, 1648, 1680, 2060, 2163, 2229, 2472, 2884, 2972, 3090, 3605, 3715, 4120, 4326, 4458, 4944, 5201, 5768, 5944, 6180, 7210, 7430, 8240, 8652, 8916, 10402, 10815, 11145, 11536, 11888, 12360, 14420, 14860, 15603, 17304, 17832, 20804, 21630, 22290, 24720, 26005, 28840, 29720, 31206, 34608, 35664, 41608, 43260, 44580, 52010, 57680, 59440, 62412, 76529, 78015, 83216, 86520, 89160, 104020, 124824, 153058, 156030, 173040, 178320, 208040, 229587, 249648, 306116, 312060, 382645, 416080, 459174, 535703, 612232, 624120, 765290, 918348, 1071406, 1147935, 1224464, 1248240, 1530580, 1607109, 1836696, 2142812, 2295870, 2678515, 3061160, 3214218, 3673392, 4285624, 4591740, 5357030, 6122320, 6428436, 8035545, 8571248, 9183480, 10714060, 12856872, 16071090, 18366960, 21428120, 25713744, 32142180, 42856240, 64284360, 128568720]

約数ペア:

[(1, 128568720), (2, 64284360), (3, 42856240), (4, 32142180), (5, 25713744), (6, 21428120), (7, 18366960), (8, 16071090), (10, 12856872), (12, 10714060), (14, 9183480), (15, 8571248), (16, 8035545), (20, 6428436), (21, 6122320), (24, 5357030), (28, 4591740), (30, 4285624), (35, 3673392), (40, 3214218), (42, 3061160), (48, 2678515), (56, 2295870), (60, 2142812), (70, 1836696), (80, 1607109), (84, 1530580), (103, 1248240), (105, 1224464), (112, 1147935), (120, 1071406), (140, 918348), (168, 765290), (206, 624120), (210, 612232), (240, 535703), (280, 459174), (309, 416080), (336, 382645), (412, 312060), (420, 306116), (515, 249648), (560, 229587), (618, 208040), (721, 178320), (743, 173040), (824, 156030), (840, 153058), (1030, 124824), (1236, 104020), (1442, 89160), (1486, 86520), (1545, 83216), (1648, 78015), (1680, 76529), (2060, 62412), (2163, 59440), (2229, 57680), (2472, 52010), (2884, 44580), (2972, 43260), (3090, 41608), (3605, 35664), (3715, 34608), (4120, 31206), (4326, 29720), (4458, 28840), (4944, 26005), (5201, 24720), (5768, 22290), (5944, 21630), (6180, 20804), (7210, 17832), (7430, 17304), (8240, 15603), (8652, 14860), (8916, 14420), (10402, 12360), (10815, 11888), (11145, 11536)]