861891408

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1122

約数の個数: 160

約数和(自身を含む): 2838270720

約数和(自身を除く): 1976379312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 421, 432, 504, 677, 756, 842, 1008, 1263, 1354, 1512, 1684, 2031, 2526, 2708, 2947, 3024, 3368, 3789, 4062, 4739, 5052, 5416, 5894, 6093, 6736, 7578, 8124, 8841, 9478, 10104, 10832, 11367, 11788, 12186, 14217, 15156, 16248, 17682, 18279, 18956, 20208, 22734, 23576, 24372, 26523, 28434, 30312, 32496, 35364, 36558, 37912, 42651, 45468, 47152, 48744, 53046, 56868, 60624, 70728, 73116, 75824, 79569, 85302, 90936, 97488, 106092, 113736, 127953, 141456, 146232, 159138, 170604, 181872, 212184, 227472, 255906, 285017, 292464, 318276, 341208, 424368, 511812, 570034, 636552, 682416, 855051, 1023624, 1140068, 1273104, 1710102, 1995119, 2047248, 2280136, 2565153, 3420204, 3990238, 4560272, 5130306, 5985357, 6840408, 7695459, 7980476, 10260612, 11970714, 13680816, 15390918, 15960952, 17956071, 20521224, 23941428, 30781836, 31921904, 35912142, 41042448, 47882856, 53868213, 61563672, 71824284, 95765712, 107736426, 123127344, 143648568, 215472852, 287297136, 430945704, 861891408]

約数ペア:

[(1, 861891408), (2, 430945704), (3, 287297136), (4, 215472852), (6, 143648568), (7, 123127344), (8, 107736426), (9, 95765712), (12, 71824284), (14, 61563672), (16, 53868213), (18, 47882856), (21, 41042448), (24, 35912142), (27, 31921904), (28, 30781836), (36, 23941428), (42, 20521224), (48, 17956071), (54, 15960952), (56, 15390918), (63, 13680816), (72, 11970714), (84, 10260612), (108, 7980476), (112, 7695459), (126, 6840408), (144, 5985357), (168, 5130306), (189, 4560272), (216, 3990238), (252, 3420204), (336, 2565153), (378, 2280136), (421, 2047248), (432, 1995119), (504, 1710102), (677, 1273104), (756, 1140068), (842, 1023624), (1008, 855051), (1263, 682416), (1354, 636552), (1512, 570034), (1684, 511812), (2031, 424368), (2526, 341208), (2708, 318276), (2947, 292464), (3024, 285017), (3368, 255906), (3789, 227472), (4062, 212184), (4739, 181872), (5052, 170604), (5416, 159138), (5894, 146232), (6093, 141456), (6736, 127953), (7578, 113736), (8124, 106092), (8841, 97488), (9478, 90936), (10104, 85302), (10832, 79569), (11367, 75824), (11788, 73116), (12186, 70728), (14217, 60624), (15156, 56868), (16248, 53046), (17682, 48744), (18279, 47152), (18956, 45468), (20208, 42651), (22734, 37912), (23576, 36558), (24372, 35364), (26523, 32496), (28434, 30312)]