7974880640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1787}}^1$

素因数の和:2192

約数の個数: 128

約数和(自身を含む): 20134310400

約数和(自身を除く): 12159429760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 367, 380, 608, 640, 734, 760, 1216, 1468, 1520, 1787, 1835, 2432, 2936, 3040, 3574, 3670, 5872, 6080, 6973, 7148, 7340, 8935, 11744, 12160, 13946, 14296, 14680, 17870, 23488, 27892, 28592, 29360, 33953, 34865, 35740, 46976, 55784, 57184, 58720, 67906, 69730, 71480, 111568, 114368, 117440, 135812, 139460, 142960, 169765, 223136, 228736, 234880, 271624, 278920, 285920, 339530, 446272, 543248, 557840, 571840, 655829, 679060, 892544, 1086496, 1115680, 1143680, 1311658, 1358120, 2172992, 2231360, 2623316, 2716240, 3279145, 4345984, 4462720, 5246632, 5432480, 6558290, 10493264, 10864960, 12460751, 13116580, 20986528, 21729920, 24921502, 26233160, 41973056, 49843004, 52466320, 62303755, 83946112, 99686008, 104932640, 124607510, 199372016, 209865280, 249215020, 398744032, 419730560, 498430040, 797488064, 996860080, 1594976128, 1993720160, 3987440320, 7974880640]

約数ペア:

[(1, 7974880640), (2, 3987440320), (4, 1993720160), (5, 1594976128), (8, 996860080), (10, 797488064), (16, 498430040), (19, 419730560), (20, 398744032), (32, 249215020), (38, 209865280), (40, 199372016), (64, 124607510), (76, 104932640), (80, 99686008), (95, 83946112), (128, 62303755), (152, 52466320), (160, 49843004), (190, 41973056), (304, 26233160), (320, 24921502), (367, 21729920), (380, 20986528), (608, 13116580), (640, 12460751), (734, 10864960), (760, 10493264), (1216, 6558290), (1468, 5432480), (1520, 5246632), (1787, 4462720), (1835, 4345984), (2432, 3279145), (2936, 2716240), (3040, 2623316), (3574, 2231360), (3670, 2172992), (5872, 1358120), (6080, 1311658), (6973, 1143680), (7148, 1115680), (7340, 1086496), (8935, 892544), (11744, 679060), (12160, 655829), (13946, 571840), (14296, 557840), (14680, 543248), (17870, 446272), (23488, 339530), (27892, 285920), (28592, 278920), (29360, 271624), (33953, 234880), (34865, 228736), (35740, 223136), (46976, 169765), (55784, 142960), (57184, 139460), (58720, 135812), (67906, 117440), (69730, 114368), (71480, 111568)]