215846960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 240

約数和(自身を含む): 641208960

約数和(自身を除く): 425362000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 41, 49, 56, 68, 70, 79, 80, 82, 85, 98, 112, 119, 136, 140, 158, 164, 170, 196, 205, 238, 245, 272, 280, 287, 316, 328, 340, 392, 395, 410, 476, 490, 553, 560, 574, 595, 632, 656, 680, 697, 784, 790, 820, 833, 952, 980, 1106, 1148, 1190, 1264, 1343, 1360, 1394, 1435, 1580, 1640, 1666, 1904, 1960, 2009, 2212, 2296, 2380, 2686, 2765, 2788, 2870, 3160, 3239, 3280, 3332, 3485, 3871, 3920, 4018, 4165, 4424, 4592, 4760, 4879, 5372, 5530, 5576, 5740, 6320, 6478, 6664, 6715, 6970, 7742, 8036, 8330, 8848, 9401, 9520, 9758, 10045, 10744, 11060, 11152, 11480, 12956, 13328, 13430, 13940, 15484, 16072, 16195, 16660, 18802, 19355, 19516, 20090, 21488, 22120, 22673, 22960, 24395, 25912, 26860, 27880, 30968, 32144, 32390, 33320, 34153, 37604, 38710, 39032, 40180, 44240, 45346, 47005, 48790, 51824, 53720, 55063, 55760, 61936, 64780, 65807, 66640, 68306, 75208, 77420, 78064, 80360, 90692, 94010, 97580, 107440, 110126, 113365, 129560, 131614, 136612, 150416, 154840, 158711, 160720, 170765, 181384, 188020, 195160, 220252, 226730, 259120, 263228, 273224, 275315, 309680, 317422, 329035, 341530, 362768, 376040, 385441, 390320, 440504, 453460, 526456, 546448, 550630, 634844, 658070, 683060, 752080, 770882, 793555, 881008, 906920, 1052912, 1101260, 1269688, 1316140, 1366120, 1541764, 1587110, 1813840, 1927205, 2202520, 2539376, 2632280, 2698087, 2732240, 3083528, 3174220, 3854410, 4405040, 5264560, 5396174, 6167056, 6348440, 7708820, 10792348, 12696880, 13490435, 15417640, 21584696, 26980870, 30835280, 43169392, 53961740, 107923480, 215846960]

約数ペア:

[(1, 215846960), (2, 107923480), (4, 53961740), (5, 43169392), (7, 30835280), (8, 26980870), (10, 21584696), (14, 15417640), (16, 13490435), (17, 12696880), (20, 10792348), (28, 7708820), (34, 6348440), (35, 6167056), (40, 5396174), (41, 5264560), (49, 4405040), (56, 3854410), (68, 3174220), (70, 3083528), (79, 2732240), (80, 2698087), (82, 2632280), (85, 2539376), (98, 2202520), (112, 1927205), (119, 1813840), (136, 1587110), (140, 1541764), (158, 1366120), (164, 1316140), (170, 1269688), (196, 1101260), (205, 1052912), (238, 906920), (245, 881008), (272, 793555), (280, 770882), (287, 752080), (316, 683060), (328, 658070), (340, 634844), (392, 550630), (395, 546448), (410, 526456), (476, 453460), (490, 440504), (553, 390320), (560, 385441), (574, 376040), (595, 362768), (632, 341530), (656, 329035), (680, 317422), (697, 309680), (784, 275315), (790, 273224), (820, 263228), (833, 259120), (952, 226730), (980, 220252), (1106, 195160), (1148, 188020), (1190, 181384), (1264, 170765), (1343, 160720), (1360, 158711), (1394, 154840), (1435, 150416), (1580, 136612), (1640, 131614), (1666, 129560), (1904, 113365), (1960, 110126), (2009, 107440), (2212, 97580), (2296, 94010), (2380, 90692), (2686, 80360), (2765, 78064), (2788, 77420), (2870, 75208), (3160, 68306), (3239, 66640), (3280, 65807), (3332, 64780), (3485, 61936), (3871, 55760), (3920, 55063), (4018, 53720), (4165, 51824), (4424, 48790), (4592, 47005), (4760, 45346), (4879, 44240), (5372, 40180), (5530, 39032), (5576, 38710), (5740, 37604), (6320, 34153), (6478, 33320), (6664, 32390), (6715, 32144), (6970, 30968), (7742, 27880), (8036, 26860), (8330, 25912), (8848, 24395), (9401, 22960), (9520, 22673), (9758, 22120), (10045, 21488), (10744, 20090), (11060, 19516), (11152, 19355), (11480, 18802), (12956, 16660), (13328, 16195), (13430, 16072), (13940, 15484)]