250320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 892800

約数和(自身を除く): 642480

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, 149, 168, 210, 240, 280, 298, 336, 420, 447, 560, 596, 745, 840, 894, 1043, 1192, 1490, 1680, 1788, 2086, 2235, 2384, 2980, 3129, 3576, 4172, 4470, 5215, 5960, 6258, 7152, 8344, 8940, 10430, 11920, 12516, 15645, 16688, 17880, 20860, 25032, 31290, 35760, 41720, 50064, 62580, 83440, 125160, 250320]

約数ペア:

[(1, 250320), (2, 125160), (3, 83440), (4, 62580), (5, 50064), (6, 41720), (7, 35760), (8, 31290), (10, 25032), (12, 20860), (14, 17880), (15, 16688), (16, 15645), (20, 12516), (21, 11920), (24, 10430), (28, 8940), (30, 8344), (35, 7152), (40, 6258), (42, 5960), (48, 5215), (56, 4470), (60, 4172), (70, 3576), (80, 3129), (84, 2980), (105, 2384), (112, 2235), (120, 2086), (140, 1788), (149, 1680), (168, 1490), (210, 1192), (240, 1043), (280, 894), (298, 840), (336, 745), (420, 596), (447, 560)]