663953360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:853

約数の個数: 160

約数和(自身を含む): 1889879040

約数和(自身を除く): 1225925680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 97, 112, 119, 136, 140, 170, 194, 238, 272, 280, 340, 388, 476, 485, 560, 595, 679, 680, 719, 776, 952, 970, 1190, 1358, 1360, 1438, 1552, 1649, 1904, 1940, 2380, 2716, 2876, 3298, 3395, 3595, 3880, 4760, 5033, 5432, 5752, 6596, 6790, 7190, 7760, 8245, 9520, 10066, 10864, 11504, 11543, 12223, 13192, 13580, 14380, 16490, 20132, 23086, 24446, 25165, 26384, 27160, 28760, 32980, 40264, 46172, 48892, 50330, 54320, 57520, 57715, 61115, 65960, 69743, 80528, 85561, 92344, 97784, 100660, 115430, 122230, 131920, 139486, 171122, 184688, 195568, 201320, 230860, 244460, 278972, 342244, 348715, 402640, 427805, 461720, 488201, 488920, 557944, 684488, 697430, 855610, 923440, 976402, 977840, 1115888, 1185631, 1368976, 1394860, 1711220, 1952804, 2371262, 2441005, 2789720, 3422440, 3905608, 4742524, 4882010, 5579440, 5928155, 6844880, 7811216, 8299417, 9485048, 9764020, 11856310, 16598834, 18970096, 19528040, 23712620, 33197668, 39056080, 41497085, 47425240, 66395336, 82994170, 94850480, 132790672, 165988340, 331976680, 663953360]

約数ペア:

[(1, 663953360), (2, 331976680), (4, 165988340), (5, 132790672), (7, 94850480), (8, 82994170), (10, 66395336), (14, 47425240), (16, 41497085), (17, 39056080), (20, 33197668), (28, 23712620), (34, 19528040), (35, 18970096), (40, 16598834), (56, 11856310), (68, 9764020), (70, 9485048), (80, 8299417), (85, 7811216), (97, 6844880), (112, 5928155), (119, 5579440), (136, 4882010), (140, 4742524), (170, 3905608), (194, 3422440), (238, 2789720), (272, 2441005), (280, 2371262), (340, 1952804), (388, 1711220), (476, 1394860), (485, 1368976), (560, 1185631), (595, 1115888), (679, 977840), (680, 976402), (719, 923440), (776, 855610), (952, 697430), (970, 684488), (1190, 557944), (1358, 488920), (1360, 488201), (1438, 461720), (1552, 427805), (1649, 402640), (1904, 348715), (1940, 342244), (2380, 278972), (2716, 244460), (2876, 230860), (3298, 201320), (3395, 195568), (3595, 184688), (3880, 171122), (4760, 139486), (5033, 131920), (5432, 122230), (5752, 115430), (6596, 100660), (6790, 97784), (7190, 92344), (7760, 85561), (8245, 80528), (9520, 69743), (10066, 65960), (10864, 61115), (11504, 57715), (11543, 57520), (12223, 54320), (13192, 50330), (13580, 48892), (14380, 46172), (16490, 40264), (20132, 32980), (23086, 28760), (24446, 27160), (25165, 26384)]