621628880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2399}}^1$

素因数の和:2532

約数の個数: 80

約数和(自身を含む): 1499904000

約数和(自身を除く): 878275120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 316, 328, 395, 410, 632, 656, 790, 820, 1264, 1580, 1640, 2399, 3160, 3239, 3280, 4798, 6320, 6478, 9596, 11995, 12956, 16195, 19192, 23990, 25912, 32390, 38384, 47980, 51824, 64780, 95960, 98359, 129560, 189521, 191920, 196718, 259120, 379042, 393436, 491795, 758084, 786872, 947605, 983590, 1516168, 1573744, 1895210, 1967180, 3032336, 3790420, 3934360, 7580840, 7770361, 7868720, 15161680, 15540722, 31081444, 38851805, 62162888, 77703610, 124325776, 155407220, 310814440, 621628880]

約数ペア:

[(1, 621628880), (2, 310814440), (4, 155407220), (5, 124325776), (8, 77703610), (10, 62162888), (16, 38851805), (20, 31081444), (40, 15540722), (41, 15161680), (79, 7868720), (80, 7770361), (82, 7580840), (158, 3934360), (164, 3790420), (205, 3032336), (316, 1967180), (328, 1895210), (395, 1573744), (410, 1516168), (632, 983590), (656, 947605), (790, 786872), (820, 758084), (1264, 491795), (1580, 393436), (1640, 379042), (2399, 259120), (3160, 196718), (3239, 191920), (3280, 189521), (4798, 129560), (6320, 98359), (6478, 95960), (9596, 64780), (11995, 51824), (12956, 47980), (16195, 38384), (19192, 32390), (23990, 25912)]