64622180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 170989056

約数和(自身を除く): 106366876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 49, 61, 70, 92, 94, 98, 115, 122, 140, 161, 188, 196, 230, 235, 244, 245, 305, 322, 329, 427, 460, 470, 490, 610, 644, 658, 805, 854, 940, 980, 1081, 1127, 1220, 1316, 1403, 1610, 1645, 1708, 2135, 2162, 2254, 2303, 2806, 2867, 2989, 3220, 3290, 4270, 4324, 4508, 4606, 5405, 5612, 5635, 5734, 5978, 6580, 7015, 7567, 8540, 9212, 9821, 10810, 11270, 11468, 11515, 11956, 14030, 14335, 14945, 15134, 19642, 20069, 21620, 22540, 23030, 28060, 28670, 29890, 30268, 37835, 39284, 40138, 46060, 49105, 52969, 57340, 59780, 65941, 68747, 75670, 80276, 98210, 100345, 105938, 131882, 137494, 140483, 151340, 196420, 200690, 211876, 263764, 264845, 274988, 280966, 329705, 343735, 401380, 461587, 529690, 561932, 659410, 687470, 702415, 923174, 1059380, 1318820, 1374940, 1404830, 1846348, 2307935, 2809660, 3231109, 4615870, 6462218, 9231740, 12924436, 16155545, 32311090, 64622180]

約数ペア:

[(1, 64622180), (2, 32311090), (4, 16155545), (5, 12924436), (7, 9231740), (10, 6462218), (14, 4615870), (20, 3231109), (23, 2809660), (28, 2307935), (35, 1846348), (46, 1404830), (47, 1374940), (49, 1318820), (61, 1059380), (70, 923174), (92, 702415), (94, 687470), (98, 659410), (115, 561932), (122, 529690), (140, 461587), (161, 401380), (188, 343735), (196, 329705), (230, 280966), (235, 274988), (244, 264845), (245, 263764), (305, 211876), (322, 200690), (329, 196420), (427, 151340), (460, 140483), (470, 137494), (490, 131882), (610, 105938), (644, 100345), (658, 98210), (805, 80276), (854, 75670), (940, 68747), (980, 65941), (1081, 59780), (1127, 57340), (1220, 52969), (1316, 49105), (1403, 46060), (1610, 40138), (1645, 39284), (1708, 37835), (2135, 30268), (2162, 29890), (2254, 28670), (2303, 28060), (2806, 23030), (2867, 22540), (2989, 21620), (3220, 20069), (3290, 19642), (4270, 15134), (4324, 14945), (4508, 14335), (4606, 14030), (5405, 11956), (5612, 11515), (5635, 11468), (5734, 11270), (5978, 10810), (6580, 9821), (7015, 9212), (7567, 8540)]