820076480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 168

約数和(自身を含む): 2136769920

約数和(自身を除く): 1316693440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 229, 248, 304, 310, 320, 361, 380, 458, 496, 589, 608, 620, 722, 760, 916, 992, 1145, 1178, 1216, 1240, 1444, 1520, 1805, 1832, 1984, 2290, 2356, 2480, 2888, 2945, 3040, 3610, 3664, 4351, 4580, 4712, 4960, 5776, 5890, 6080, 7099, 7220, 7328, 8702, 9160, 9424, 9920, 11191, 11552, 11780, 14198, 14440, 14656, 17404, 18320, 18848, 21755, 22382, 23104, 23560, 28396, 28880, 34808, 35495, 36640, 37696, 43510, 44764, 47120, 55955, 56792, 57760, 69616, 70990, 73280, 82669, 87020, 89528, 94240, 111910, 113584, 115520, 134881, 139232, 141980, 165338, 174040, 179056, 188480, 223820, 227168, 269762, 278464, 283960, 330676, 348080, 358112, 413345, 447640, 454336, 539524, 567920, 661352, 674405, 696160, 716224, 826690, 895280, 1079048, 1135840, 1322704, 1348810, 1392320, 1653380, 1790560, 2158096, 2271680, 2562739, 2645408, 2697620, 3306760, 3581120, 4316192, 5125478, 5290816, 5395240, 6613520, 8632384, 10250956, 10790480, 12813695, 13227040, 20501912, 21580960, 25627390, 26454080, 41003824, 43161920, 51254780, 82007648, 102509560, 164015296, 205019120, 410038240, 820076480]

約数ペア:

[(1, 820076480), (2, 410038240), (4, 205019120), (5, 164015296), (8, 102509560), (10, 82007648), (16, 51254780), (19, 43161920), (20, 41003824), (31, 26454080), (32, 25627390), (38, 21580960), (40, 20501912), (62, 13227040), (64, 12813695), (76, 10790480), (80, 10250956), (95, 8632384), (124, 6613520), (152, 5395240), (155, 5290816), (160, 5125478), (190, 4316192), (229, 3581120), (248, 3306760), (304, 2697620), (310, 2645408), (320, 2562739), (361, 2271680), (380, 2158096), (458, 1790560), (496, 1653380), (589, 1392320), (608, 1348810), (620, 1322704), (722, 1135840), (760, 1079048), (916, 895280), (992, 826690), (1145, 716224), (1178, 696160), (1216, 674405), (1240, 661352), (1444, 567920), (1520, 539524), (1805, 454336), (1832, 447640), (1984, 413345), (2290, 358112), (2356, 348080), (2480, 330676), (2888, 283960), (2945, 278464), (3040, 269762), (3610, 227168), (3664, 223820), (4351, 188480), (4580, 179056), (4712, 174040), (4960, 165338), (5776, 141980), (5890, 139232), (6080, 134881), (7099, 115520), (7220, 113584), (7328, 111910), (8702, 94240), (9160, 89528), (9424, 87020), (9920, 82669), (11191, 73280), (11552, 70990), (11780, 69616), (14198, 57760), (14440, 56792), (14656, 55955), (17404, 47120), (18320, 44764), (18848, 43510), (21755, 37696), (22382, 36640), (23104, 35495), (23560, 34808), (28396, 28880)]