165745840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 440971776

約数和(自身を除く): 275225936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 53, 62, 65, 80, 97, 104, 106, 124, 130, 155, 194, 208, 212, 248, 260, 265, 310, 388, 403, 424, 485, 496, 520, 530, 620, 689, 776, 806, 848, 970, 1040, 1060, 1240, 1261, 1378, 1552, 1612, 1643, 1940, 2015, 2120, 2480, 2522, 2756, 3007, 3224, 3286, 3445, 3880, 4030, 4240, 5044, 5141, 5512, 6014, 6305, 6448, 6572, 6890, 7760, 8060, 8215, 10088, 10282, 11024, 12028, 12610, 13144, 13780, 15035, 16120, 16430, 20176, 20564, 21359, 24056, 25220, 25705, 26288, 27560, 30070, 32240, 32860, 39091, 41128, 42718, 48112, 50440, 51410, 55120, 60140, 65720, 66833, 78182, 82256, 85436, 100880, 102820, 106795, 120280, 131440, 133666, 156364, 159371, 170872, 195455, 205640, 213590, 240560, 267332, 312728, 318742, 334165, 341744, 390910, 411280, 427180, 534664, 625456, 637484, 668330, 781820, 796855, 854360, 1069328, 1274968, 1336660, 1563640, 1593710, 1708720, 2071823, 2549936, 2673320, 3127280, 3187420, 4143646, 5346640, 6374840, 8287292, 10359115, 12749680, 16574584, 20718230, 33149168, 41436460, 82872920, 165745840]

約数ペア:

[(1, 165745840), (2, 82872920), (4, 41436460), (5, 33149168), (8, 20718230), (10, 16574584), (13, 12749680), (16, 10359115), (20, 8287292), (26, 6374840), (31, 5346640), (40, 4143646), (52, 3187420), (53, 3127280), (62, 2673320), (65, 2549936), (80, 2071823), (97, 1708720), (104, 1593710), (106, 1563640), (124, 1336660), (130, 1274968), (155, 1069328), (194, 854360), (208, 796855), (212, 781820), (248, 668330), (260, 637484), (265, 625456), (310, 534664), (388, 427180), (403, 411280), (424, 390910), (485, 341744), (496, 334165), (520, 318742), (530, 312728), (620, 267332), (689, 240560), (776, 213590), (806, 205640), (848, 195455), (970, 170872), (1040, 159371), (1060, 156364), (1240, 133666), (1261, 131440), (1378, 120280), (1552, 106795), (1612, 102820), (1643, 100880), (1940, 85436), (2015, 82256), (2120, 78182), (2480, 66833), (2522, 65720), (2756, 60140), (3007, 55120), (3224, 51410), (3286, 50440), (3445, 48112), (3880, 42718), (4030, 41128), (4240, 39091), (5044, 32860), (5141, 32240), (5512, 30070), (6014, 27560), (6305, 26288), (6448, 25705), (6572, 25220), (6890, 24056), (7760, 21359), (8060, 20564), (8215, 20176), (10088, 16430), (10282, 16120), (11024, 15035), (12028, 13780), (12610, 13144)]