13121680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 37997568

約数和(自身を除く): 24875888

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 37, 40, 44, 52, 55, 62, 65, 74, 80, 88, 104, 110, 124, 130, 143, 148, 155, 176, 185, 208, 220, 248, 260, 286, 296, 310, 341, 370, 403, 407, 440, 481, 496, 520, 572, 592, 620, 682, 715, 740, 806, 814, 880, 962, 1040, 1144, 1147, 1240, 1364, 1430, 1480, 1612, 1628, 1705, 1924, 2015, 2035, 2288, 2294, 2405, 2480, 2728, 2860, 2960, 3224, 3256, 3410, 3848, 4030, 4070, 4433, 4588, 4810, 5291, 5456, 5720, 5735, 6448, 6512, 6820, 7696, 8060, 8140, 8866, 9176, 9620, 10582, 11440, 11470, 12617, 13640, 14911, 16120, 16280, 17732, 18352, 19240, 21164, 22165, 22940, 25234, 26455, 27280, 29822, 32240, 32560, 35464, 38480, 42328, 44330, 45880, 50468, 52910, 59644, 63085, 70928, 74555, 84656, 88660, 91760, 100936, 105820, 119288, 126170, 149110, 164021, 177320, 201872, 211640, 238576, 252340, 298220, 328042, 354640, 423280, 504680, 596440, 656084, 820105, 1009360, 1192880, 1312168, 1640210, 2624336, 3280420, 6560840, 13121680]

約数ペア:

[(1, 13121680), (2, 6560840), (4, 3280420), (5, 2624336), (8, 1640210), (10, 1312168), (11, 1192880), (13, 1009360), (16, 820105), (20, 656084), (22, 596440), (26, 504680), (31, 423280), (37, 354640), (40, 328042), (44, 298220), (52, 252340), (55, 238576), (62, 211640), (65, 201872), (74, 177320), (80, 164021), (88, 149110), (104, 126170), (110, 119288), (124, 105820), (130, 100936), (143, 91760), (148, 88660), (155, 84656), (176, 74555), (185, 70928), (208, 63085), (220, 59644), (248, 52910), (260, 50468), (286, 45880), (296, 44330), (310, 42328), (341, 38480), (370, 35464), (403, 32560), (407, 32240), (440, 29822), (481, 27280), (496, 26455), (520, 25234), (572, 22940), (592, 22165), (620, 21164), (682, 19240), (715, 18352), (740, 17732), (806, 16280), (814, 16120), (880, 14911), (962, 13640), (1040, 12617), (1144, 11470), (1147, 11440), (1240, 10582), (1364, 9620), (1430, 9176), (1480, 8866), (1612, 8140), (1628, 8060), (1705, 7696), (1924, 6820), (2015, 6512), (2035, 6448), (2288, 5735), (2294, 5720), (2405, 5456), (2480, 5291), (2728, 4810), (2860, 4588), (2960, 4433), (3224, 4070), (3256, 4030), (3410, 3848)]