340486640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 160

約数和(自身を含む): 899942400

約数和(自身を除く): 559455760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 59, 62, 65, 80, 104, 118, 124, 130, 155, 179, 208, 236, 248, 260, 295, 310, 358, 403, 472, 496, 520, 590, 620, 716, 767, 806, 895, 944, 1040, 1180, 1240, 1432, 1534, 1612, 1790, 1829, 2015, 2327, 2360, 2480, 2864, 3068, 3224, 3580, 3658, 3835, 4030, 4654, 4720, 5549, 6136, 6448, 7160, 7316, 7670, 8060, 9145, 9308, 10561, 11098, 11635, 12272, 14320, 14632, 15340, 16120, 18290, 18616, 21122, 22196, 23270, 23777, 27745, 29264, 30680, 32240, 36580, 37232, 42244, 44392, 46540, 47554, 52805, 55490, 61360, 72137, 73160, 84488, 88784, 93080, 95108, 105610, 110980, 118885, 137293, 144274, 146320, 168976, 186160, 190216, 211220, 221960, 237770, 274586, 288548, 327391, 360685, 380432, 422440, 443920, 475540, 549172, 577096, 654782, 686465, 721370, 844880, 951080, 1098344, 1154192, 1309564, 1372930, 1442740, 1636955, 1902160, 2196688, 2619128, 2745860, 2885480, 3273910, 4256083, 5238256, 5491720, 5770960, 6547820, 8512166, 10983440, 13095640, 17024332, 21280415, 26191280, 34048664, 42560830, 68097328, 85121660, 170243320, 340486640]

約数ペア:

[(1, 340486640), (2, 170243320), (4, 85121660), (5, 68097328), (8, 42560830), (10, 34048664), (13, 26191280), (16, 21280415), (20, 17024332), (26, 13095640), (31, 10983440), (40, 8512166), (52, 6547820), (59, 5770960), (62, 5491720), (65, 5238256), (80, 4256083), (104, 3273910), (118, 2885480), (124, 2745860), (130, 2619128), (155, 2196688), (179, 1902160), (208, 1636955), (236, 1442740), (248, 1372930), (260, 1309564), (295, 1154192), (310, 1098344), (358, 951080), (403, 844880), (472, 721370), (496, 686465), (520, 654782), (590, 577096), (620, 549172), (716, 475540), (767, 443920), (806, 422440), (895, 380432), (944, 360685), (1040, 327391), (1180, 288548), (1240, 274586), (1432, 237770), (1534, 221960), (1612, 211220), (1790, 190216), (1829, 186160), (2015, 168976), (2327, 146320), (2360, 144274), (2480, 137293), (2864, 118885), (3068, 110980), (3224, 105610), (3580, 95108), (3658, 93080), (3835, 88784), (4030, 84488), (4654, 73160), (4720, 72137), (5549, 61360), (6136, 55490), (6448, 52805), (7160, 47554), (7316, 46540), (7670, 44392), (8060, 42244), (9145, 37232), (9308, 36580), (10561, 32240), (11098, 30680), (11635, 29264), (12272, 27745), (14320, 23777), (14632, 23270), (15340, 22196), (16120, 21122), (18290, 18616)]