12589720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 34836480

約数和(自身を除く): 22246760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 71, 88, 104, 110, 124, 130, 142, 143, 155, 220, 248, 260, 284, 286, 310, 341, 355, 403, 440, 520, 568, 572, 620, 682, 710, 715, 781, 806, 923, 1144, 1240, 1364, 1420, 1430, 1562, 1612, 1705, 1846, 2015, 2201, 2728, 2840, 2860, 3124, 3224, 3410, 3692, 3905, 4030, 4402, 4433, 4615, 5720, 6248, 6820, 7384, 7810, 8060, 8804, 8866, 9230, 10153, 11005, 13640, 15620, 16120, 17608, 17732, 18460, 20306, 22010, 22165, 24211, 28613, 31240, 35464, 36920, 40612, 44020, 44330, 48422, 50765, 57226, 81224, 88040, 88660, 96844, 101530, 114452, 121055, 143065, 177320, 193688, 203060, 228904, 242110, 286130, 314743, 406120, 484220, 572260, 629486, 968440, 1144520, 1258972, 1573715, 2517944, 3147430, 6294860, 12589720]

約数ペア:

[(1, 12589720), (2, 6294860), (4, 3147430), (5, 2517944), (8, 1573715), (10, 1258972), (11, 1144520), (13, 968440), (20, 629486), (22, 572260), (26, 484220), (31, 406120), (40, 314743), (44, 286130), (52, 242110), (55, 228904), (62, 203060), (65, 193688), (71, 177320), (88, 143065), (104, 121055), (110, 114452), (124, 101530), (130, 96844), (142, 88660), (143, 88040), (155, 81224), (220, 57226), (248, 50765), (260, 48422), (284, 44330), (286, 44020), (310, 40612), (341, 36920), (355, 35464), (403, 31240), (440, 28613), (520, 24211), (568, 22165), (572, 22010), (620, 20306), (682, 18460), (710, 17732), (715, 17608), (781, 16120), (806, 15620), (923, 13640), (1144, 11005), (1240, 10153), (1364, 9230), (1420, 8866), (1430, 8804), (1562, 8060), (1612, 7810), (1705, 7384), (1846, 6820), (2015, 6248), (2201, 5720), (2728, 4615), (2840, 4433), (2860, 4402), (3124, 4030), (3224, 3905), (3410, 3692)]