40656420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:850

約数の個数: 144

約数和(自身を含む): 144563328

約数和(自身を除く): 103906908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 787, 820, 861, 1148, 1230, 1260, 1435, 1476, 1574, 1722, 1845, 2361, 2460, 2583, 2870, 3148, 3444, 3690, 3935, 4305, 4722, 5166, 5509, 5740, 7083, 7380, 7870, 8610, 9444, 10332, 11018, 11805, 12915, 14166, 15740, 16527, 17220, 22036, 23610, 25830, 27545, 28332, 32267, 33054, 35415, 47220, 49581, 51660, 55090, 64534, 66108, 70830, 82635, 96801, 99162, 110180, 129068, 141660, 161335, 165270, 193602, 198324, 225869, 247905, 290403, 322670, 330540, 387204, 451738, 484005, 495810, 580806, 645340, 677607, 903476, 968010, 991620, 1129345, 1161612, 1355214, 1452015, 1936020, 2032821, 2258690, 2710428, 2904030, 3388035, 4065642, 4517380, 5808060, 6776070, 8131284, 10164105, 13552140, 20328210, 40656420]

約数ペア:

[(1, 40656420), (2, 20328210), (3, 13552140), (4, 10164105), (5, 8131284), (6, 6776070), (7, 5808060), (9, 4517380), (10, 4065642), (12, 3388035), (14, 2904030), (15, 2710428), (18, 2258690), (20, 2032821), (21, 1936020), (28, 1452015), (30, 1355214), (35, 1161612), (36, 1129345), (41, 991620), (42, 968010), (45, 903476), (60, 677607), (63, 645340), (70, 580806), (82, 495810), (84, 484005), (90, 451738), (105, 387204), (123, 330540), (126, 322670), (140, 290403), (164, 247905), (180, 225869), (205, 198324), (210, 193602), (246, 165270), (252, 161335), (287, 141660), (315, 129068), (369, 110180), (410, 99162), (420, 96801), (492, 82635), (574, 70830), (615, 66108), (630, 64534), (738, 55090), (787, 51660), (820, 49581), (861, 47220), (1148, 35415), (1230, 33054), (1260, 32267), (1435, 28332), (1476, 27545), (1574, 25830), (1722, 23610), (1845, 22036), (2361, 17220), (2460, 16527), (2583, 15740), (2870, 14166), (3148, 12915), (3444, 11805), (3690, 11018), (3935, 10332), (4305, 9444), (4722, 8610), (5166, 7870), (5509, 7380), (5740, 7083)]