2905320

素因数分解:

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

素因数の和:127

約数の個数: 128

約数和(自身を含む): 9953280

約数和(自身を除く): 7047960

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, 124, 132, 142, 155, 165, 186, 213, 220, 248, 264, 284, 310, 330, 341, 355, 372, 426, 440, 465, 568, 620, 660, 682, 710, 744, 781, 852, 930, 1023, 1065, 1240, 1320, 1364, 1420, 1562, 1704, 1705, 1860, 2046, 2130, 2201, 2343, 2728, 2840, 3124, 3410, 3720, 3905, 4092, 4260, 4402, 4686, 5115, 6248, 6603, 6820, 7810, 8184, 8520, 8804, 9372, 10230, 11005, 11715, 13206, 13640, 15620, 17608, 18744, 20460, 22010, 23430, 24211, 26412, 31240, 33015, 40920, 44020, 46860, 48422, 52824, 66030, 72633, 88040, 93720, 96844, 121055, 132060, 145266, 193688, 242110, 264120, 290532, 363165, 484220, 581064, 726330, 968440, 1452660, 2905320]

約数ペア:

[(1, 2905320), (2, 1452660), (3, 968440), (4, 726330), (5, 581064), (6, 484220), (8, 363165), (10, 290532), (11, 264120), (12, 242110), (15, 193688), (20, 145266), (22, 132060), (24, 121055), (30, 96844), (31, 93720), (33, 88040), (40, 72633), (44, 66030), (55, 52824), (60, 48422), (62, 46860), (66, 44020), (71, 40920), (88, 33015), (93, 31240), (110, 26412), (120, 24211), (124, 23430), (132, 22010), (142, 20460), (155, 18744), (165, 17608), (186, 15620), (213, 13640), (220, 13206), (248, 11715), (264, 11005), (284, 10230), (310, 9372), (330, 8804), (341, 8520), (355, 8184), (372, 7810), (426, 6820), (440, 6603), (465, 6248), (568, 5115), (620, 4686), (660, 4402), (682, 4260), (710, 4092), (744, 3905), (781, 3720), (852, 3410), (930, 3124), (1023, 2840), (1065, 2728), (1240, 2343), (1320, 2201), (1364, 2130), (1420, 2046), (1562, 1860), (1704, 1705)]