53781420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1700

約数の個数: 144

約数和(自身を含む): 191213568

約数和(自身を除く): 137432148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 1663, 2156, 2310, 2695, 2940, 3234, 3326, 4620, 4989, 5390, 6468, 6652, 8085, 8315, 9978, 10780, 11641, 16170, 16630, 18293, 19956, 23282, 24945, 32340, 33260, 34923, 36586, 46564, 49890, 54879, 58205, 69846, 73172, 81487, 91465, 99780, 109758, 116410, 128051, 139692, 162974, 174615, 182930, 219516, 232820, 244461, 256102, 274395, 325948, 349230, 365860, 384153, 407435, 488922, 512204, 548790, 640255, 698460, 768306, 814870, 896357, 977844, 1097580, 1222305, 1280510, 1536612, 1629740, 1792714, 1920765, 2444610, 2561020, 2689071, 3585428, 3841530, 4481785, 4889220, 5378142, 7683060, 8963570, 10756284, 13445355, 17927140, 26890710, 53781420]

約数ペア:

[(1, 53781420), (2, 26890710), (3, 17927140), (4, 13445355), (5, 10756284), (6, 8963570), (7, 7683060), (10, 5378142), (11, 4889220), (12, 4481785), (14, 3841530), (15, 3585428), (20, 2689071), (21, 2561020), (22, 2444610), (28, 1920765), (30, 1792714), (33, 1629740), (35, 1536612), (42, 1280510), (44, 1222305), (49, 1097580), (55, 977844), (60, 896357), (66, 814870), (70, 768306), (77, 698460), (84, 640255), (98, 548790), (105, 512204), (110, 488922), (132, 407435), (140, 384153), (147, 365860), (154, 349230), (165, 325948), (196, 274395), (210, 256102), (220, 244461), (231, 232820), (245, 219516), (294, 182930), (308, 174615), (330, 162974), (385, 139692), (420, 128051), (462, 116410), (490, 109758), (539, 99780), (588, 91465), (660, 81487), (735, 73172), (770, 69846), (924, 58205), (980, 54879), (1078, 49890), (1155, 46564), (1470, 36586), (1540, 34923), (1617, 33260), (1663, 32340), (2156, 24945), (2310, 23282), (2695, 19956), (2940, 18293), (3234, 16630), (3326, 16170), (4620, 11641), (4989, 10780), (5390, 9978), (6468, 8315), (6652, 8085)]