28172723120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{186229}}^1$

素因数の和:186334

約数の個数: 80

約数和(自身を含む): 68723339520

約数和(自身を除く): 40550616400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1220, 1240, 1891, 2440, 2480, 3782, 4880, 7564, 9455, 15128, 18910, 30256, 37820, 75640, 151280, 186229, 372458, 744916, 931145, 1489832, 1862290, 2979664, 3724580, 5773099, 7449160, 11359969, 11546198, 14898320, 22719938, 23092396, 28865495, 45439876, 46184792, 56799845, 57730990, 90879752, 92369584, 113599690, 115461980, 181759504, 227199380, 230923960, 352159039, 454398760, 461847920, 704318078, 908797520, 1408636156, 1760795195, 2817272312, 3521590390, 5634544624, 7043180780, 14086361560, 28172723120]

約数ペア:

[(1, 28172723120), (2, 14086361560), (4, 7043180780), (5, 5634544624), (8, 3521590390), (10, 2817272312), (16, 1760795195), (20, 1408636156), (31, 908797520), (40, 704318078), (61, 461847920), (62, 454398760), (80, 352159039), (122, 230923960), (124, 227199380), (155, 181759504), (244, 115461980), (248, 113599690), (305, 92369584), (310, 90879752), (488, 57730990), (496, 56799845), (610, 46184792), (620, 45439876), (976, 28865495), (1220, 23092396), (1240, 22719938), (1891, 14898320), (2440, 11546198), (2480, 11359969), (3782, 7449160), (4880, 5773099), (7564, 3724580), (9455, 2979664), (15128, 1862290), (18910, 1489832), (30256, 931145), (37820, 744916), (75640, 372458), (151280, 186229)]