81640776

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 239117760

約数和(自身を除く): 157476984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 173, 212, 318, 346, 371, 424, 519, 636, 692, 742, 1038, 1113, 1211, 1272, 1384, 1484, 2076, 2226, 2422, 2809, 2968, 3633, 4152, 4452, 4844, 5618, 7266, 8427, 8904, 9169, 9688, 11236, 14532, 16854, 18338, 19663, 22472, 27507, 29064, 33708, 36676, 39326, 55014, 58989, 64183, 67416, 73352, 78652, 110028, 117978, 128366, 157304, 192549, 220056, 235956, 256732, 385098, 471912, 485957, 513464, 770196, 971914, 1457871, 1540392, 1943828, 2915742, 3401699, 3887656, 5831484, 6803398, 10205097, 11662968, 13606796, 20410194, 27213592, 40820388, 81640776]

約数ペア:

[(1, 81640776), (2, 40820388), (3, 27213592), (4, 20410194), (6, 13606796), (7, 11662968), (8, 10205097), (12, 6803398), (14, 5831484), (21, 3887656), (24, 3401699), (28, 2915742), (42, 1943828), (53, 1540392), (56, 1457871), (84, 971914), (106, 770196), (159, 513464), (168, 485957), (173, 471912), (212, 385098), (318, 256732), (346, 235956), (371, 220056), (424, 192549), (519, 157304), (636, 128366), (692, 117978), (742, 110028), (1038, 78652), (1113, 73352), (1211, 67416), (1272, 64183), (1384, 58989), (1484, 55014), (2076, 39326), (2226, 36676), (2422, 33708), (2809, 29064), (2968, 27507), (3633, 22472), (4152, 19663), (4452, 18338), (4844, 16854), (5618, 14532), (7266, 11236), (8427, 9688), (8904, 9169)]