121812995220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1621}}^1\times {\mathrm{178921}}^1$

素因数の和:180561

約数の個数: 96

約数和(自身を含む): 390044234496

約数和(自身を除く): 268231239276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1621, 3242, 4863, 6484, 8105, 9726, 11347, 16210, 19452, 22694, 24315, 32420, 34041, 45388, 48630, 56735, 68082, 97260, 113470, 136164, 170205, 178921, 226940, 340410, 357842, 536763, 680820, 715684, 894605, 1073526, 1252447, 1789210, 2147052, 2504894, 2683815, 3578420, 3757341, 5009788, 5367630, 6262235, 7514682, 10735260, 12524470, 15029364, 18786705, 25048940, 37573410, 75146820, 290030941, 580061882, 870092823, 1160123764, 1450154705, 1740185646, 2030216587, 2900309410, 3480371292, 4060433174, 4350464115, 5800618820, 6090649761, 8120866348, 8700928230, 10151082935, 12181299522, 17401856460, 20302165870, 24362599044, 30453248805, 40604331740, 60906497610, 121812995220]

約数ペア:

[(1, 121812995220), (2, 60906497610), (3, 40604331740), (4, 30453248805), (5, 24362599044), (6, 20302165870), (7, 17401856460), (10, 12181299522), (12, 10151082935), (14, 8700928230), (15, 8120866348), (20, 6090649761), (21, 5800618820), (28, 4350464115), (30, 4060433174), (35, 3480371292), (42, 2900309410), (60, 2030216587), (70, 1740185646), (84, 1450154705), (105, 1160123764), (140, 870092823), (210, 580061882), (420, 290030941), (1621, 75146820), (3242, 37573410), (4863, 25048940), (6484, 18786705), (8105, 15029364), (9726, 12524470), (11347, 10735260), (16210, 7514682), (19452, 6262235), (22694, 5367630), (24315, 5009788), (32420, 3757341), (34041, 3578420), (45388, 2683815), (48630, 2504894), (56735, 2147052), (68082, 1789210), (97260, 1252447), (113470, 1073526), (136164, 894605), (170205, 715684), (178921, 680820), (226940, 536763), (340410, 357842)]