642116156920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{310447}}^1$

素因数の和:310637

約数の個数: 128

約数和(自身を含む): 1689830553600

約数和(自身を除く): 1047714396680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 89, 140, 166, 178, 280, 332, 356, 415, 445, 581, 623, 664, 712, 830, 890, 1162, 1246, 1660, 1780, 2324, 2492, 2905, 3115, 3320, 3560, 4648, 4984, 5810, 6230, 7387, 11620, 12460, 14774, 23240, 24920, 29548, 36935, 51709, 59096, 73870, 103418, 147740, 206836, 258545, 295480, 310447, 413672, 517090, 620894, 1034180, 1241788, 1552235, 2068360, 2173129, 2483576, 3104470, 4346258, 6208940, 8692516, 10865645, 12417880, 17385032, 21731290, 25767101, 27629783, 43462580, 51534202, 55259566, 86925160, 103068404, 110519132, 128835505, 138148915, 180369707, 193408481, 206136808, 221038264, 257671010, 276297830, 360739414, 386816962, 515342020, 552595660, 721478828, 773633924, 901848535, 967042405, 1030684040, 1105191320, 1442957656, 1547267848, 1803697070, 1934084810, 2293271989, 3607394140, 3868169620, 4586543978, 7214788280, 7736339240, 9173087956, 11466359945, 16052903923, 18346175912, 22932719890, 32105807846, 45865439780, 64211615692, 80264519615, 91730879560, 128423231384, 160529039230, 321058078460, 642116156920]

約数ペア:

[(1, 642116156920), (2, 321058078460), (4, 160529039230), (5, 128423231384), (7, 91730879560), (8, 80264519615), (10, 64211615692), (14, 45865439780), (20, 32105807846), (28, 22932719890), (35, 18346175912), (40, 16052903923), (56, 11466359945), (70, 9173087956), (83, 7736339240), (89, 7214788280), (140, 4586543978), (166, 3868169620), (178, 3607394140), (280, 2293271989), (332, 1934084810), (356, 1803697070), (415, 1547267848), (445, 1442957656), (581, 1105191320), (623, 1030684040), (664, 967042405), (712, 901848535), (830, 773633924), (890, 721478828), (1162, 552595660), (1246, 515342020), (1660, 386816962), (1780, 360739414), (2324, 276297830), (2492, 257671010), (2905, 221038264), (3115, 206136808), (3320, 193408481), (3560, 180369707), (4648, 138148915), (4984, 128835505), (5810, 110519132), (6230, 103068404), (7387, 86925160), (11620, 55259566), (12460, 51534202), (14774, 43462580), (23240, 27629783), (24920, 25767101), (29548, 21731290), (36935, 17385032), (51709, 12417880), (59096, 10865645), (73870, 8692516), (103418, 6208940), (147740, 4346258), (206836, 3104470), (258545, 2483576), (295480, 2173129), (310447, 2068360), (413672, 1552235), (517090, 1241788), (620894, 1034180)]