764721880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 256

約数和(自身を含む): 2150064000

約数和(自身を除く): 1385342120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 29, 34, 38, 40, 52, 58, 65, 68, 76, 85, 95, 104, 116, 130, 136, 145, 152, 157, 170, 190, 221, 232, 247, 260, 290, 314, 323, 340, 377, 380, 442, 493, 494, 520, 551, 580, 628, 646, 680, 754, 760, 785, 884, 986, 988, 1102, 1105, 1160, 1235, 1256, 1292, 1508, 1570, 1615, 1768, 1885, 1972, 1976, 2041, 2204, 2210, 2465, 2470, 2584, 2669, 2755, 2983, 3016, 3140, 3230, 3770, 3944, 4082, 4199, 4408, 4420, 4553, 4930, 4940, 5338, 5510, 5966, 6280, 6409, 6460, 7163, 7540, 8164, 8398, 8840, 9106, 9367, 9860, 9880, 10205, 10676, 11020, 11932, 12818, 12920, 13345, 14326, 14915, 15080, 16328, 16796, 18212, 18734, 19720, 20410, 20995, 21352, 22040, 22765, 23864, 25636, 26690, 28652, 29830, 32045, 33592, 34697, 35815, 36424, 37468, 38779, 40820, 41990, 45530, 46835, 50711, 51272, 53380, 57304, 59189, 59660, 64090, 69394, 71630, 74936, 77401, 77558, 81640, 83980, 86507, 91060, 93670, 101422, 106760, 118378, 119320, 121771, 128180, 138788, 143260, 154802, 155116, 167960, 173014, 173485, 182120, 187340, 193895, 202844, 236756, 243542, 253555, 256360, 277576, 286520, 295945, 309604, 310232, 346028, 346970, 374680, 387005, 387790, 405688, 432535, 473512, 487084, 507110, 591890, 608855, 619208, 659243, 692056, 693940, 774010, 775580, 865070, 974168, 1006213, 1014220, 1124591, 1183780, 1217710, 1318486, 1387880, 1470619, 1548020, 1551160, 1730140, 2012426, 2028440, 2249182, 2367560, 2435420, 2636972, 2941238, 3096040, 3296215, 3460280, 4024852, 4498364, 4870840, 5031065, 5273944, 5622955, 5882476, 6592430, 7353095, 8049704, 8996728, 10062130, 11245910, 11764952, 13184860, 14706190, 19118047, 20124260, 22491820, 26369720, 29412380, 38236094, 40248520, 44983640, 58824760, 76472188, 95590235, 152944376, 191180470, 382360940, 764721880]

約数ペア:

[(1, 764721880), (2, 382360940), (4, 191180470), (5, 152944376), (8, 95590235), (10, 76472188), (13, 58824760), (17, 44983640), (19, 40248520), (20, 38236094), (26, 29412380), (29, 26369720), (34, 22491820), (38, 20124260), (40, 19118047), (52, 14706190), (58, 13184860), (65, 11764952), (68, 11245910), (76, 10062130), (85, 8996728), (95, 8049704), (104, 7353095), (116, 6592430), (130, 5882476), (136, 5622955), (145, 5273944), (152, 5031065), (157, 4870840), (170, 4498364), (190, 4024852), (221, 3460280), (232, 3296215), (247, 3096040), (260, 2941238), (290, 2636972), (314, 2435420), (323, 2367560), (340, 2249182), (377, 2028440), (380, 2012426), (442, 1730140), (493, 1551160), (494, 1548020), (520, 1470619), (551, 1387880), (580, 1318486), (628, 1217710), (646, 1183780), (680, 1124591), (754, 1014220), (760, 1006213), (785, 974168), (884, 865070), (986, 775580), (988, 774010), (1102, 693940), (1105, 692056), (1160, 659243), (1235, 619208), (1256, 608855), (1292, 591890), (1508, 507110), (1570, 487084), (1615, 473512), (1768, 432535), (1885, 405688), (1972, 387790), (1976, 387005), (2041, 374680), (2204, 346970), (2210, 346028), (2465, 310232), (2470, 309604), (2584, 295945), (2669, 286520), (2755, 277576), (2983, 256360), (3016, 253555), (3140, 243542), (3230, 236756), (3770, 202844), (3944, 193895), (4082, 187340), (4199, 182120), (4408, 173485), (4420, 173014), (4553, 167960), (4930, 155116), (4940, 154802), (5338, 143260), (5510, 138788), (5966, 128180), (6280, 121771), (6409, 119320), (6460, 118378), (7163, 106760), (7540, 101422), (8164, 93670), (8398, 91060), (8840, 86507), (9106, 83980), (9367, 81640), (9860, 77558), (9880, 77401), (10205, 74936), (10676, 71630), (11020, 69394), (11932, 64090), (12818, 59660), (12920, 59189), (13345, 57304), (14326, 53380), (14915, 51272), (15080, 50711), (16328, 46835), (16796, 45530), (18212, 41990), (18734, 40820), (19720, 38779), (20410, 37468), (20995, 36424), (21352, 35815), (22040, 34697), (22765, 33592), (23864, 32045), (25636, 29830), (26690, 28652)]