215727720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2355

約数の個数: 128

約数和(自身を含む): 708704640

約数和(自身を除く): 492976920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 610, 732, 780, 793, 915, 1220, 1464, 1560, 1586, 1830, 2267, 2379, 2440, 3172, 3660, 3965, 4534, 4758, 6344, 6801, 7320, 7930, 9068, 9516, 11335, 11895, 13602, 15860, 18136, 19032, 22670, 23790, 27204, 29471, 31720, 34005, 45340, 47580, 54408, 58942, 68010, 88413, 90680, 95160, 117884, 136020, 138287, 147355, 176826, 235768, 272040, 276574, 294710, 353652, 414861, 442065, 553148, 589420, 691435, 707304, 829722, 884130, 1106296, 1178840, 1382870, 1659444, 1768260, 1797731, 2074305, 2765740, 3318888, 3536520, 3595462, 4148610, 5393193, 5531480, 7190924, 8297220, 8988655, 10786386, 14381848, 16594440, 17977310, 21572772, 26965965, 35954620, 43145544, 53931930, 71909240, 107863860, 215727720]

約数ペア:

[(1, 215727720), (2, 107863860), (3, 71909240), (4, 53931930), (5, 43145544), (6, 35954620), (8, 26965965), (10, 21572772), (12, 17977310), (13, 16594440), (15, 14381848), (20, 10786386), (24, 8988655), (26, 8297220), (30, 7190924), (39, 5531480), (40, 5393193), (52, 4148610), (60, 3595462), (61, 3536520), (65, 3318888), (78, 2765740), (104, 2074305), (120, 1797731), (122, 1768260), (130, 1659444), (156, 1382870), (183, 1178840), (195, 1106296), (244, 884130), (260, 829722), (305, 707304), (312, 691435), (366, 589420), (390, 553148), (488, 442065), (520, 414861), (610, 353652), (732, 294710), (780, 276574), (793, 272040), (915, 235768), (1220, 176826), (1464, 147355), (1560, 138287), (1586, 136020), (1830, 117884), (2267, 95160), (2379, 90680), (2440, 88413), (3172, 68010), (3660, 58942), (3965, 54408), (4534, 47580), (4758, 45340), (6344, 34005), (6801, 31720), (7320, 29471), (7930, 27204), (9068, 23790), (9516, 22670), (11335, 19032), (11895, 18136), (13602, 15860)]