19690800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 64348560

約数和(自身を除く): 44657760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 61, 75, 80, 100, 120, 122, 150, 183, 200, 240, 244, 269, 300, 305, 366, 400, 488, 538, 600, 610, 732, 807, 915, 976, 1076, 1200, 1220, 1345, 1464, 1525, 1614, 1830, 2152, 2440, 2690, 2928, 3050, 3228, 3660, 4035, 4304, 4575, 4880, 5380, 6100, 6456, 6725, 7320, 8070, 9150, 10760, 12200, 12912, 13450, 14640, 16140, 16409, 18300, 20175, 21520, 24400, 26900, 32280, 32818, 36600, 40350, 49227, 53800, 64560, 65636, 73200, 80700, 82045, 98454, 107600, 131272, 161400, 164090, 196908, 246135, 262544, 322800, 328180, 393816, 410225, 492270, 656360, 787632, 820450, 984540, 1230675, 1312720, 1640900, 1969080, 2461350, 3281800, 3938160, 4922700, 6563600, 9845400, 19690800]

約数ペア:

[(1, 19690800), (2, 9845400), (3, 6563600), (4, 4922700), (5, 3938160), (6, 3281800), (8, 2461350), (10, 1969080), (12, 1640900), (15, 1312720), (16, 1230675), (20, 984540), (24, 820450), (25, 787632), (30, 656360), (40, 492270), (48, 410225), (50, 393816), (60, 328180), (61, 322800), (75, 262544), (80, 246135), (100, 196908), (120, 164090), (122, 161400), (150, 131272), (183, 107600), (200, 98454), (240, 82045), (244, 80700), (269, 73200), (300, 65636), (305, 64560), (366, 53800), (400, 49227), (488, 40350), (538, 36600), (600, 32818), (610, 32280), (732, 26900), (807, 24400), (915, 21520), (976, 20175), (1076, 18300), (1200, 16409), (1220, 16140), (1345, 14640), (1464, 13450), (1525, 12912), (1614, 12200), (1830, 10760), (2152, 9150), (2440, 8070), (2690, 7320), (2928, 6725), (3050, 6456), (3228, 6100), (3660, 5380), (4035, 4880), (4304, 4575)]