221258160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 240

約数和(自身を含む): 802234368

約数和(自身を除く): 580976208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 115, 120, 124, 138, 144, 155, 180, 184, 186, 207, 230, 240, 248, 276, 279, 310, 345, 360, 368, 372, 414, 431, 460, 465, 496, 552, 558, 620, 690, 713, 720, 744, 828, 862, 920, 930, 1035, 1104, 1116, 1240, 1293, 1380, 1395, 1426, 1488, 1656, 1724, 1840, 1860, 2070, 2139, 2155, 2232, 2480, 2586, 2760, 2790, 2852, 3312, 3448, 3565, 3720, 3879, 4140, 4278, 4310, 4464, 5172, 5520, 5580, 5704, 6417, 6465, 6896, 7130, 7440, 7758, 8280, 8556, 8620, 9913, 10344, 10695, 11160, 11408, 12834, 12930, 13361, 14260, 15516, 16560, 17112, 17240, 19395, 19826, 20688, 21390, 22320, 25668, 25860, 26722, 28520, 29739, 31032, 32085, 34224, 34480, 38790, 39652, 40083, 42780, 49565, 51336, 51720, 53444, 57040, 59478, 62064, 64170, 66805, 77580, 79304, 80166, 85560, 89217, 99130, 102672, 103440, 106888, 118956, 120249, 128340, 133610, 148695, 155160, 158608, 160332, 171120, 178434, 198260, 200415, 213776, 237912, 240498, 256680, 267220, 297390, 307303, 310320, 320664, 356868, 396520, 400830, 446085, 475824, 480996, 513360, 534440, 594780, 601245, 614606, 641328, 713736, 793040, 801660, 892170, 921909, 961992, 1068880, 1189560, 1202490, 1229212, 1427472, 1536515, 1603320, 1784340, 1843818, 1923984, 2379120, 2404980, 2458424, 2765727, 3073030, 3206640, 3568680, 3687636, 4609545, 4809960, 4916848, 5531454, 6146060, 7137360, 7375272, 9219090, 9619920, 11062908, 12292120, 13828635, 14750544, 18438180, 22125816, 24584240, 27657270, 36876360, 44251632, 55314540, 73752720, 110629080, 221258160]

約数ペア:

[(1, 221258160), (2, 110629080), (3, 73752720), (4, 55314540), (5, 44251632), (6, 36876360), (8, 27657270), (9, 24584240), (10, 22125816), (12, 18438180), (15, 14750544), (16, 13828635), (18, 12292120), (20, 11062908), (23, 9619920), (24, 9219090), (30, 7375272), (31, 7137360), (36, 6146060), (40, 5531454), (45, 4916848), (46, 4809960), (48, 4609545), (60, 3687636), (62, 3568680), (69, 3206640), (72, 3073030), (80, 2765727), (90, 2458424), (92, 2404980), (93, 2379120), (115, 1923984), (120, 1843818), (124, 1784340), (138, 1603320), (144, 1536515), (155, 1427472), (180, 1229212), (184, 1202490), (186, 1189560), (207, 1068880), (230, 961992), (240, 921909), (248, 892170), (276, 801660), (279, 793040), (310, 713736), (345, 641328), (360, 614606), (368, 601245), (372, 594780), (414, 534440), (431, 513360), (460, 480996), (465, 475824), (496, 446085), (552, 400830), (558, 396520), (620, 356868), (690, 320664), (713, 310320), (720, 307303), (744, 297390), (828, 267220), (862, 256680), (920, 240498), (930, 237912), (1035, 213776), (1104, 200415), (1116, 198260), (1240, 178434), (1293, 171120), (1380, 160332), (1395, 158608), (1426, 155160), (1488, 148695), (1656, 133610), (1724, 128340), (1840, 120249), (1860, 118956), (2070, 106888), (2139, 103440), (2155, 102672), (2232, 99130), (2480, 89217), (2586, 85560), (2760, 80166), (2790, 79304), (2852, 77580), (3312, 66805), (3448, 64170), (3565, 62064), (3720, 59478), (3879, 57040), (4140, 53444), (4278, 51720), (4310, 51336), (4464, 49565), (5172, 42780), (5520, 40083), (5580, 39652), (5704, 38790), (6417, 34480), (6465, 34224), (6896, 32085), (7130, 31032), (7440, 29739), (7758, 28520), (8280, 26722), (8556, 25860), (8620, 25668), (9913, 22320), (10344, 21390), (10695, 20688), (11160, 19826), (11408, 19395), (12834, 17240), (12930, 17112), (13361, 16560), (14260, 15516)]