2455960040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 5800878720

約数和(自身を除く): 3344918680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 83, 122, 134, 166, 181, 244, 268, 305, 332, 335, 362, 415, 488, 536, 610, 664, 670, 724, 830, 905, 1220, 1340, 1448, 1660, 1810, 2440, 2680, 3320, 3620, 4087, 5063, 5561, 7240, 8174, 10126, 11041, 11122, 12127, 15023, 16348, 20252, 20435, 22082, 22244, 24254, 25315, 27805, 30046, 32696, 40504, 40870, 44164, 44488, 48508, 50630, 55205, 55610, 60092, 60635, 75115, 81740, 88328, 97016, 101260, 110410, 111220, 120184, 121270, 150230, 163480, 202520, 220820, 222440, 242540, 300460, 339221, 441640, 485080, 600920, 678442, 739747, 916403, 1006541, 1356884, 1479494, 1696105, 1832806, 2013082, 2713768, 2958988, 3392210, 3665612, 3698735, 4026164, 4582015, 5032705, 5917976, 6784420, 7331224, 7397470, 8052328, 9164030, 10065410, 13568840, 14794940, 18328060, 20130820, 29589880, 36656120, 40261640, 61399001, 122798002, 245596004, 306995005, 491192008, 613990010, 1227980020, 2455960040]

約数ペア:

[(1, 2455960040), (2, 1227980020), (4, 613990010), (5, 491192008), (8, 306995005), (10, 245596004), (20, 122798002), (40, 61399001), (61, 40261640), (67, 36656120), (83, 29589880), (122, 20130820), (134, 18328060), (166, 14794940), (181, 13568840), (244, 10065410), (268, 9164030), (305, 8052328), (332, 7397470), (335, 7331224), (362, 6784420), (415, 5917976), (488, 5032705), (536, 4582015), (610, 4026164), (664, 3698735), (670, 3665612), (724, 3392210), (830, 2958988), (905, 2713768), (1220, 2013082), (1340, 1832806), (1448, 1696105), (1660, 1479494), (1810, 1356884), (2440, 1006541), (2680, 916403), (3320, 739747), (3620, 678442), (4087, 600920), (5063, 485080), (5561, 441640), (7240, 339221), (8174, 300460), (10126, 242540), (11041, 222440), (11122, 220820), (12127, 202520), (15023, 163480), (16348, 150230), (20252, 121270), (20435, 120184), (22082, 111220), (22244, 110410), (24254, 101260), (25315, 97016), (27805, 88328), (30046, 81740), (32696, 75115), (40504, 60635), (40870, 60092), (44164, 55610), (44488, 55205), (48508, 50630)]