26720760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 90408960

約数和(自身を除く): 63688200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 653, 660, 682, 744, 930, 1023, 1240, 1306, 1320, 1364, 1705, 1860, 1959, 2046, 2612, 2728, 3265, 3410, 3720, 3918, 4092, 5115, 5224, 6530, 6820, 7183, 7836, 8184, 9795, 10230, 13060, 13640, 14366, 15672, 19590, 20243, 20460, 21549, 26120, 28732, 35915, 39180, 40486, 40920, 43098, 57464, 60729, 71830, 78360, 80972, 86196, 101215, 107745, 121458, 143660, 161944, 172392, 202430, 215490, 222673, 242916, 287320, 303645, 404860, 430980, 445346, 485832, 607290, 668019, 809720, 861960, 890692, 1113365, 1214580, 1336038, 1781384, 2226730, 2429160, 2672076, 3340095, 4453460, 5344152, 6680190, 8906920, 13360380, 26720760]

約数ペア:

[(1, 26720760), (2, 13360380), (3, 8906920), (4, 6680190), (5, 5344152), (6, 4453460), (8, 3340095), (10, 2672076), (11, 2429160), (12, 2226730), (15, 1781384), (20, 1336038), (22, 1214580), (24, 1113365), (30, 890692), (31, 861960), (33, 809720), (40, 668019), (44, 607290), (55, 485832), (60, 445346), (62, 430980), (66, 404860), (88, 303645), (93, 287320), (110, 242916), (120, 222673), (124, 215490), (132, 202430), (155, 172392), (165, 161944), (186, 143660), (220, 121458), (248, 107745), (264, 101215), (310, 86196), (330, 80972), (341, 78360), (372, 71830), (440, 60729), (465, 57464), (620, 43098), (653, 40920), (660, 40486), (682, 39180), (744, 35915), (930, 28732), (1023, 26120), (1240, 21549), (1306, 20460), (1320, 20243), (1364, 19590), (1705, 15672), (1860, 14366), (1959, 13640), (2046, 13060), (2612, 10230), (2728, 9795), (3265, 8184), (3410, 7836), (3720, 7183), (3918, 6820), (4092, 6530), (5115, 5224)]