72791320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 126274280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 89, 92, 115, 127, 140, 161, 178, 184, 230, 254, 280, 322, 356, 445, 460, 508, 623, 635, 644, 712, 805, 889, 890, 920, 1016, 1246, 1270, 1288, 1610, 1778, 1780, 2047, 2492, 2540, 2921, 3115, 3220, 3556, 3560, 4094, 4445, 4984, 5080, 5842, 6230, 6440, 7112, 8188, 8890, 10235, 11303, 11684, 12460, 14329, 14605, 16376, 17780, 20447, 20470, 22606, 23368, 24920, 28658, 29210, 35560, 40894, 40940, 45212, 56515, 57316, 58420, 71645, 79121, 81788, 81880, 90424, 102235, 113030, 114632, 116840, 143290, 158242, 163576, 204470, 226060, 259969, 286580, 316484, 395605, 408940, 452120, 519938, 573160, 632968, 791210, 817880, 1039876, 1299845, 1582420, 1819783, 2079752, 2599690, 3164840, 3639566, 5199380, 7279132, 9098915, 10398760, 14558264, 18197830, 36395660, 72791320]

約数ペア:

[(1, 72791320), (2, 36395660), (4, 18197830), (5, 14558264), (7, 10398760), (8, 9098915), (10, 7279132), (14, 5199380), (20, 3639566), (23, 3164840), (28, 2599690), (35, 2079752), (40, 1819783), (46, 1582420), (56, 1299845), (70, 1039876), (89, 817880), (92, 791210), (115, 632968), (127, 573160), (140, 519938), (161, 452120), (178, 408940), (184, 395605), (230, 316484), (254, 286580), (280, 259969), (322, 226060), (356, 204470), (445, 163576), (460, 158242), (508, 143290), (623, 116840), (635, 114632), (644, 113030), (712, 102235), (805, 90424), (889, 81880), (890, 81788), (920, 79121), (1016, 71645), (1246, 58420), (1270, 57316), (1288, 56515), (1610, 45212), (1778, 40940), (1780, 40894), (2047, 35560), (2492, 29210), (2540, 28658), (2921, 24920), (3115, 23368), (3220, 22606), (3556, 20470), (3560, 20447), (4094, 17780), (4445, 16376), (4984, 14605), (5080, 14329), (5842, 12460), (6230, 11684), (6440, 11303), (7112, 10235), (8188, 8890)]