1815232640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11483}}^1$

素因数の和:11534

約数の個数: 128

約数和(自身を含む): 4919745600

約数和(自身を除く): 3104512960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1976, 2080, 2432, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 8320, 9880, 11483, 12160, 15808, 19760, 22966, 31616, 39520, 45932, 57415, 79040, 91864, 114830, 149279, 158080, 183728, 218177, 229660, 298558, 367456, 436354, 459320, 597116, 734912, 746395, 872708, 918640, 1090885, 1194232, 1469824, 1492790, 1745416, 1837280, 2181770, 2388464, 2836301, 2985580, 3490832, 3674560, 4363540, 4776928, 5672602, 5971160, 6981664, 7349120, 8727080, 9553856, 11345204, 11942320, 13963328, 14181505, 17454160, 19107712, 22690408, 23884640, 27926656, 28363010, 34908320, 45380816, 47769280, 56726020, 69816640, 90761632, 95538560, 113452040, 139633280, 181523264, 226904080, 363046528, 453808160, 907616320, 1815232640]

約数ペア:

[(1, 1815232640), (2, 907616320), (4, 453808160), (5, 363046528), (8, 226904080), (10, 181523264), (13, 139633280), (16, 113452040), (19, 95538560), (20, 90761632), (26, 69816640), (32, 56726020), (38, 47769280), (40, 45380816), (52, 34908320), (64, 28363010), (65, 27926656), (76, 23884640), (80, 22690408), (95, 19107712), (104, 17454160), (128, 14181505), (130, 13963328), (152, 11942320), (160, 11345204), (190, 9553856), (208, 8727080), (247, 7349120), (260, 6981664), (304, 5971160), (320, 5672602), (380, 4776928), (416, 4363540), (494, 3674560), (520, 3490832), (608, 2985580), (640, 2836301), (760, 2388464), (832, 2181770), (988, 1837280), (1040, 1745416), (1216, 1492790), (1235, 1469824), (1520, 1194232), (1664, 1090885), (1976, 918640), (2080, 872708), (2432, 746395), (2470, 734912), (3040, 597116), (3952, 459320), (4160, 436354), (4940, 367456), (6080, 298558), (7904, 229660), (8320, 218177), (9880, 183728), (11483, 158080), (12160, 149279), (15808, 114830), (19760, 91864), (22966, 79040), (31616, 57415), (39520, 45932)]