217493520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 744702336

約数和(自身を除く): 527208816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 41, 46, 48, 60, 62, 69, 80, 82, 92, 93, 115, 120, 123, 124, 138, 155, 164, 184, 186, 205, 230, 240, 246, 248, 276, 310, 328, 345, 368, 372, 410, 460, 465, 492, 496, 552, 615, 620, 656, 690, 713, 744, 820, 920, 930, 943, 961, 984, 1104, 1230, 1240, 1271, 1380, 1426, 1488, 1640, 1840, 1860, 1886, 1922, 1968, 2139, 2460, 2480, 2542, 2760, 2829, 2852, 2883, 3280, 3565, 3720, 3772, 3813, 3844, 4278, 4715, 4805, 4920, 5084, 5520, 5658, 5704, 5766, 6355, 7130, 7440, 7544, 7626, 7688, 8556, 9430, 9610, 9840, 10168, 10695, 11316, 11408, 11532, 12710, 14145, 14260, 14415, 15088, 15252, 15376, 17112, 18860, 19065, 19220, 20336, 21390, 22103, 22632, 23064, 25420, 28290, 28520, 28830, 29233, 30504, 34224, 37720, 38130, 38440, 39401, 42780, 44206, 45264, 46128, 50840, 56580, 57040, 57660, 58466, 61008, 66309, 75440, 76260, 76880, 78802, 85560, 87699, 88412, 101680, 110515, 113160, 115320, 116932, 118203, 132618, 146165, 152520, 157604, 171120, 175398, 176824, 197005, 221030, 226320, 230640, 233864, 236406, 265236, 292330, 305040, 315208, 331545, 350796, 353648, 394010, 438495, 442060, 467728, 472812, 530472, 584660, 591015, 630416, 663090, 701592, 788020, 876990, 884120, 906223, 945624, 1060944, 1169320, 1182030, 1326180, 1403184, 1576040, 1753980, 1768240, 1812446, 1891248, 2338640, 2364060, 2652360, 2718669, 3152080, 3507960, 3624892, 4531115, 4728120, 5304720, 5437338, 7015920, 7249784, 9062230, 9456240, 10874676, 13593345, 14499568, 18124460, 21749352, 27186690, 36248920, 43498704, 54373380, 72497840, 108746760, 217493520]

約数ペア:

[(1, 217493520), (2, 108746760), (3, 72497840), (4, 54373380), (5, 43498704), (6, 36248920), (8, 27186690), (10, 21749352), (12, 18124460), (15, 14499568), (16, 13593345), (20, 10874676), (23, 9456240), (24, 9062230), (30, 7249784), (31, 7015920), (40, 5437338), (41, 5304720), (46, 4728120), (48, 4531115), (60, 3624892), (62, 3507960), (69, 3152080), (80, 2718669), (82, 2652360), (92, 2364060), (93, 2338640), (115, 1891248), (120, 1812446), (123, 1768240), (124, 1753980), (138, 1576040), (155, 1403184), (164, 1326180), (184, 1182030), (186, 1169320), (205, 1060944), (230, 945624), (240, 906223), (246, 884120), (248, 876990), (276, 788020), (310, 701592), (328, 663090), (345, 630416), (368, 591015), (372, 584660), (410, 530472), (460, 472812), (465, 467728), (492, 442060), (496, 438495), (552, 394010), (615, 353648), (620, 350796), (656, 331545), (690, 315208), (713, 305040), (744, 292330), (820, 265236), (920, 236406), (930, 233864), (943, 230640), (961, 226320), (984, 221030), (1104, 197005), (1230, 176824), (1240, 175398), (1271, 171120), (1380, 157604), (1426, 152520), (1488, 146165), (1640, 132618), (1840, 118203), (1860, 116932), (1886, 115320), (1922, 113160), (1968, 110515), (2139, 101680), (2460, 88412), (2480, 87699), (2542, 85560), (2760, 78802), (2829, 76880), (2852, 76260), (2883, 75440), (3280, 66309), (3565, 61008), (3720, 58466), (3772, 57660), (3813, 57040), (3844, 56580), (4278, 50840), (4715, 46128), (4805, 45264), (4920, 44206), (5084, 42780), (5520, 39401), (5658, 38440), (5704, 38130), (5766, 37720), (6355, 34224), (7130, 30504), (7440, 29233), (7544, 28830), (7626, 28520), (7688, 28290), (8556, 25420), (9430, 23064), (9610, 22632), (9840, 22103), (10168, 21390), (10695, 20336), (11316, 19220), (11408, 19065), (11532, 18860), (12710, 17112), (14145, 15376), (14260, 15252), (14415, 15088)]