261184560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11959}}^1$

素因数の和:11995

約数の個数: 160

約数和(自身を含む): 996602880

約数和(自身を除く): 735418320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 11959, 21840, 23918, 35877, 47836, 59795, 71754, 83713, 95672, 119590, 143508, 155467, 167426, 179385, 191344, 239180, 251139, 287016, 310934, 334852, 358770, 418565, 466401, 478360, 502278, 574032, 621868, 669704, 717540, 777335, 837130, 932802, 956720, 1004556, 1088269, 1243736, 1255695, 1339408, 1435080, 1554670, 1674260, 1865604, 2009112, 2176538, 2332005, 2487472, 2511390, 2870160, 3109340, 3264807, 3348520, 3731208, 4018224, 4353076, 4664010, 5022780, 5441345, 6218680, 6529614, 6697040, 7462416, 8706152, 9328020, 10045560, 10882690, 12437360, 13059228, 16324035, 17412304, 18656040, 20091120, 21765380, 26118456, 32648070, 37312080, 43530760, 52236912, 65296140, 87061520, 130592280, 261184560]

約数ペア:

[(1, 261184560), (2, 130592280), (3, 87061520), (4, 65296140), (5, 52236912), (6, 43530760), (7, 37312080), (8, 32648070), (10, 26118456), (12, 21765380), (13, 20091120), (14, 18656040), (15, 17412304), (16, 16324035), (20, 13059228), (21, 12437360), (24, 10882690), (26, 10045560), (28, 9328020), (30, 8706152), (35, 7462416), (39, 6697040), (40, 6529614), (42, 6218680), (48, 5441345), (52, 5022780), (56, 4664010), (60, 4353076), (65, 4018224), (70, 3731208), (78, 3348520), (80, 3264807), (84, 3109340), (91, 2870160), (104, 2511390), (105, 2487472), (112, 2332005), (120, 2176538), (130, 2009112), (140, 1865604), (156, 1674260), (168, 1554670), (182, 1435080), (195, 1339408), (208, 1255695), (210, 1243736), (240, 1088269), (260, 1004556), (273, 956720), (280, 932802), (312, 837130), (336, 777335), (364, 717540), (390, 669704), (420, 621868), (455, 574032), (520, 502278), (546, 478360), (560, 466401), (624, 418565), (728, 358770), (780, 334852), (840, 310934), (910, 287016), (1040, 251139), (1092, 239180), (1365, 191344), (1456, 179385), (1560, 167426), (1680, 155467), (1820, 143508), (2184, 119590), (2730, 95672), (3120, 83713), (3640, 71754), (4368, 59795), (5460, 47836), (7280, 35877), (10920, 23918), (11959, 21840)]