72070320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42899}}^1$

素因数の和:42922

約数の個数: 80

約数和(自身を含む): 255340800

約数和(自身を除く): 183270480

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, 42899, 85798, 128697, 171596, 214495, 257394, 300293, 343192, 428990, 514788, 600586, 643485, 686384, 857980, 900879, 1029576, 1201172, 1286970, 1501465, 1715960, 1801758, 2059152, 2402344, 2573940, 3002930, 3431920, 3603516, 4504395, 4804688, 5147880, 6005860, 7207032, 9008790, 10295760, 12011720, 14414064, 18017580, 24023440, 36035160, 72070320]

約数ペア:

[(1, 72070320), (2, 36035160), (3, 24023440), (4, 18017580), (5, 14414064), (6, 12011720), (7, 10295760), (8, 9008790), (10, 7207032), (12, 6005860), (14, 5147880), (15, 4804688), (16, 4504395), (20, 3603516), (21, 3431920), (24, 3002930), (28, 2573940), (30, 2402344), (35, 2059152), (40, 1801758), (42, 1715960), (48, 1501465), (56, 1286970), (60, 1201172), (70, 1029576), (80, 900879), (84, 857980), (105, 686384), (112, 643485), (120, 600586), (140, 514788), (168, 428990), (210, 343192), (240, 300293), (280, 257394), (336, 214495), (420, 171596), (560, 128697), (840, 85798), (1680, 42899)]