407885520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{242789}}^1$

素因数の和:242812

約数の個数: 80

約数和(自身を含む): 1445086080

約数和(自身を除く): 1037200560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 242789, 485578, 728367, 971156, 1213945, 1456734, 1699523, 1942312, 2427890, 2913468, 3399046, 3641835, 3884624, 4855780, 5098569, 5826936, 6798092, 7283670, 8497615, 9711560, 10197138, 11653872, 13596184, 14567340, 16995230, 19423120, 20394276, 25492845, 27192368, 29134680, 33990460, 40788552, 50985690, 58269360, 67980920, 81577104, 101971380, 135961840, 203942760, 407885520]

約数ペア:

[(1, 407885520), (2, 203942760), (3, 135961840), (4, 101971380), (5, 81577104), (6, 67980920), (7, 58269360), (8, 50985690), (10, 40788552), (12, 33990460), (14, 29134680), (15, 27192368), (16, 25492845), (20, 20394276), (21, 19423120), (24, 16995230), (28, 14567340), (30, 13596184), (35, 11653872), (40, 10197138), (42, 9711560), (48, 8497615), (56, 7283670), (60, 6798092), (70, 5826936), (80, 5098569), (84, 4855780), (105, 3884624), (112, 3641835), (120, 3399046), (140, 2913468), (168, 2427890), (210, 1942312), (240, 1699523), (280, 1456734), (336, 1213945), (420, 971156), (560, 728367), (840, 485578), (1680, 242789)]