251911440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1918

約数の個数: 240

約数和(自身を含む): 977723136

約数和(自身を除く): 725811696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 110, 120, 132, 136, 144, 153, 165, 170, 176, 180, 187, 198, 204, 220, 240, 255, 264, 272, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 528, 561, 612, 660, 680, 720, 748, 765, 792, 816, 880, 935, 990, 1020, 1122, 1224, 1320, 1360, 1496, 1530, 1584, 1683, 1870, 1871, 1980, 2040, 2244, 2448, 2640, 2805, 2992, 3060, 3366, 3740, 3742, 3960, 4080, 4488, 5610, 5613, 6120, 6732, 7480, 7484, 7920, 8415, 8976, 9355, 11220, 11226, 12240, 13464, 14960, 14968, 16830, 16839, 18710, 20581, 22440, 22452, 26928, 28065, 29936, 31807, 33660, 33678, 37420, 41162, 44880, 44904, 56130, 61743, 63614, 67320, 67356, 74840, 82324, 84195, 89808, 95421, 102905, 112260, 123486, 127228, 134640, 134712, 149680, 159035, 164648, 168390, 185229, 190842, 205810, 224520, 246972, 254456, 269424, 286263, 308715, 318070, 329296, 336780, 349877, 370458, 381684, 411620, 449040, 477105, 493944, 508912, 572526, 617430, 636140, 673560, 699754, 740916, 763368, 823240, 926145, 954210, 987888, 1049631, 1145052, 1234860, 1272280, 1347120, 1399508, 1431315, 1481832, 1526736, 1646480, 1749385, 1852290, 1908420, 2099262, 2290104, 2469720, 2544560, 2799016, 2862630, 2963664, 3148893, 3498770, 3704580, 3816840, 4198524, 4580208, 4939440, 5248155, 5598032, 5725260, 6297786, 6997540, 7409160, 7633680, 8397048, 10496310, 11450520, 12595572, 13995080, 14818320, 15744465, 16794096, 20992620, 22901040, 25191144, 27990160, 31488930, 41985240, 50382288, 62977860, 83970480, 125955720, 251911440]

約数ペア:

[(1, 251911440), (2, 125955720), (3, 83970480), (4, 62977860), (5, 50382288), (6, 41985240), (8, 31488930), (9, 27990160), (10, 25191144), (11, 22901040), (12, 20992620), (15, 16794096), (16, 15744465), (17, 14818320), (18, 13995080), (20, 12595572), (22, 11450520), (24, 10496310), (30, 8397048), (33, 7633680), (34, 7409160), (36, 6997540), (40, 6297786), (44, 5725260), (45, 5598032), (48, 5248155), (51, 4939440), (55, 4580208), (60, 4198524), (66, 3816840), (68, 3704580), (72, 3498770), (80, 3148893), (85, 2963664), (88, 2862630), (90, 2799016), (99, 2544560), (102, 2469720), (110, 2290104), (120, 2099262), (132, 1908420), (136, 1852290), (144, 1749385), (153, 1646480), (165, 1526736), (170, 1481832), (176, 1431315), (180, 1399508), (187, 1347120), (198, 1272280), (204, 1234860), (220, 1145052), (240, 1049631), (255, 987888), (264, 954210), (272, 926145), (306, 823240), (330, 763368), (340, 740916), (360, 699754), (374, 673560), (396, 636140), (408, 617430), (440, 572526), (495, 508912), (510, 493944), (528, 477105), (561, 449040), (612, 411620), (660, 381684), (680, 370458), (720, 349877), (748, 336780), (765, 329296), (792, 318070), (816, 308715), (880, 286263), (935, 269424), (990, 254456), (1020, 246972), (1122, 224520), (1224, 205810), (1320, 190842), (1360, 185229), (1496, 168390), (1530, 164648), (1584, 159035), (1683, 149680), (1870, 134712), (1871, 134640), (1980, 127228), (2040, 123486), (2244, 112260), (2448, 102905), (2640, 95421), (2805, 89808), (2992, 84195), (3060, 82324), (3366, 74840), (3740, 67356), (3742, 67320), (3960, 63614), (4080, 61743), (4488, 56130), (5610, 44904), (5613, 44880), (6120, 41162), (6732, 37420), (7480, 33678), (7484, 33660), (7920, 31807), (8415, 29936), (8976, 28065), (9355, 26928), (11220, 22452), (11226, 22440), (12240, 20581), (13464, 18710), (14960, 16839), (14968, 16830)]