31958520

素因数分解:

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

素因数の和:138

約数の個数: 192

約数和(自身を含む): 110315520

約数和(自身を除く): 78357000

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, 71, 88, 93, 110, 120, 121, 124, 132, 142, 155, 165, 186, 213, 220, 242, 248, 264, 284, 310, 330, 341, 355, 363, 372, 426, 440, 465, 484, 568, 605, 620, 660, 682, 710, 726, 744, 781, 852, 930, 968, 1023, 1065, 1210, 1240, 1320, 1364, 1420, 1452, 1562, 1704, 1705, 1815, 1860, 2046, 2130, 2201, 2343, 2420, 2728, 2840, 2904, 3124, 3410, 3630, 3720, 3751, 3905, 4092, 4260, 4402, 4686, 4840, 5115, 6248, 6603, 6820, 7260, 7502, 7810, 8184, 8520, 8591, 8804, 9372, 10230, 11005, 11253, 11715, 13206, 13640, 14520, 15004, 15620, 17182, 17608, 18744, 18755, 20460, 22010, 22506, 23430, 24211, 25773, 26412, 30008, 31240, 33015, 34364, 37510, 40920, 42955, 44020, 45012, 46860, 48422, 51546, 52824, 56265, 66030, 68728, 72633, 75020, 85910, 88040, 90024, 93720, 96844, 103092, 112530, 121055, 128865, 132060, 145266, 150040, 171820, 193688, 206184, 225060, 242110, 257730, 264120, 266321, 290532, 343640, 363165, 450120, 484220, 515460, 532642, 581064, 726330, 798963, 968440, 1030920, 1065284, 1331605, 1452660, 1597926, 2130568, 2663210, 2905320, 3195852, 3994815, 5326420, 6391704, 7989630, 10652840, 15979260, 31958520]

約数ペア:

[(1, 31958520), (2, 15979260), (3, 10652840), (4, 7989630), (5, 6391704), (6, 5326420), (8, 3994815), (10, 3195852), (11, 2905320), (12, 2663210), (15, 2130568), (20, 1597926), (22, 1452660), (24, 1331605), (30, 1065284), (31, 1030920), (33, 968440), (40, 798963), (44, 726330), (55, 581064), (60, 532642), (62, 515460), (66, 484220), (71, 450120), (88, 363165), (93, 343640), (110, 290532), (120, 266321), (121, 264120), (124, 257730), (132, 242110), (142, 225060), (155, 206184), (165, 193688), (186, 171820), (213, 150040), (220, 145266), (242, 132060), (248, 128865), (264, 121055), (284, 112530), (310, 103092), (330, 96844), (341, 93720), (355, 90024), (363, 88040), (372, 85910), (426, 75020), (440, 72633), (465, 68728), (484, 66030), (568, 56265), (605, 52824), (620, 51546), (660, 48422), (682, 46860), (710, 45012), (726, 44020), (744, 42955), (781, 40920), (852, 37510), (930, 34364), (968, 33015), (1023, 31240), (1065, 30008), (1210, 26412), (1240, 25773), (1320, 24211), (1364, 23430), (1420, 22506), (1452, 22010), (1562, 20460), (1704, 18755), (1705, 18744), (1815, 17608), (1860, 17182), (2046, 15620), (2130, 15004), (2201, 14520), (2343, 13640), (2420, 13206), (2728, 11715), (2840, 11253), (2904, 11005), (3124, 10230), (3410, 9372), (3630, 8804), (3720, 8591), (3751, 8520), (3905, 8184), (4092, 7810), (4260, 7502), (4402, 7260), (4686, 6820), (4840, 6603), (5115, 6248)]