1615704560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{3989}}^1$

素因数の和:4146

約数の個数: 80

約数和(自身を含む): 3865065120

約数和(自身を除く): 2249360560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 83, 122, 166, 244, 305, 332, 415, 488, 610, 664, 830, 976, 1220, 1328, 1660, 2440, 3320, 3989, 4880, 5063, 6640, 7978, 10126, 15956, 19945, 20252, 25315, 31912, 39890, 40504, 50630, 63824, 79780, 81008, 101260, 159560, 202520, 243329, 319120, 331087, 405040, 486658, 662174, 973316, 1216645, 1324348, 1655435, 1946632, 2433290, 2648696, 3310870, 3893264, 4866580, 5297392, 6621740, 9733160, 13243480, 19466320, 20196307, 26486960, 40392614, 80785228, 100981535, 161570456, 201963070, 323140912, 403926140, 807852280, 1615704560]

約数ペア:

[(1, 1615704560), (2, 807852280), (4, 403926140), (5, 323140912), (8, 201963070), (10, 161570456), (16, 100981535), (20, 80785228), (40, 40392614), (61, 26486960), (80, 20196307), (83, 19466320), (122, 13243480), (166, 9733160), (244, 6621740), (305, 5297392), (332, 4866580), (415, 3893264), (488, 3310870), (610, 2648696), (664, 2433290), (830, 1946632), (976, 1655435), (1220, 1324348), (1328, 1216645), (1660, 973316), (2440, 662174), (3320, 486658), (3989, 405040), (4880, 331087), (5063, 319120), (6640, 243329), (7978, 202520), (10126, 159560), (15956, 101260), (19945, 81008), (20252, 79780), (25315, 63824), (31912, 50630), (39890, 40504)]