261166920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18289}}^1$

素因数の和:18327

約数の個数: 128

約数和(自身を含む): 948153600

約数和(自身を除く): 686986680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 18289, 36578, 54867, 73156, 91445, 109734, 128023, 146312, 182890, 219468, 256046, 274335, 310913, 365780, 384069, 438936, 512092, 548670, 621826, 640115, 731560, 768138, 932739, 1024184, 1097340, 1243652, 1280230, 1536276, 1554565, 1865478, 1920345, 2176391, 2194680, 2487304, 2560460, 3072552, 3109130, 3730956, 3840690, 4352782, 4663695, 5120920, 6218260, 6529173, 7461912, 7681380, 8705564, 9327390, 10881955, 12436520, 13058346, 15362760, 17411128, 18654780, 21763910, 26116692, 32645865, 37309560, 43527820, 52233384, 65291730, 87055640, 130583460, 261166920]

約数ペア:

[(1, 261166920), (2, 130583460), (3, 87055640), (4, 65291730), (5, 52233384), (6, 43527820), (7, 37309560), (8, 32645865), (10, 26116692), (12, 21763910), (14, 18654780), (15, 17411128), (17, 15362760), (20, 13058346), (21, 12436520), (24, 10881955), (28, 9327390), (30, 8705564), (34, 7681380), (35, 7461912), (40, 6529173), (42, 6218260), (51, 5120920), (56, 4663695), (60, 4352782), (68, 3840690), (70, 3730956), (84, 3109130), (85, 3072552), (102, 2560460), (105, 2487304), (119, 2194680), (120, 2176391), (136, 1920345), (140, 1865478), (168, 1554565), (170, 1536276), (204, 1280230), (210, 1243652), (238, 1097340), (255, 1024184), (280, 932739), (340, 768138), (357, 731560), (408, 640115), (420, 621826), (476, 548670), (510, 512092), (595, 438936), (680, 384069), (714, 365780), (840, 310913), (952, 274335), (1020, 256046), (1190, 219468), (1428, 182890), (1785, 146312), (2040, 128023), (2380, 109734), (2856, 91445), (3570, 73156), (4760, 54867), (7140, 36578), (14280, 18289)]