1211111720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10733}}^1$

素因数の和:10795

約数の個数: 128

約数和(自身を含む): 3462359040

約数和(自身を除く): 2251247320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5642, 8060, 8680, 10733, 11284, 14105, 16120, 21466, 22568, 28210, 42932, 53665, 56420, 75131, 85864, 107330, 112840, 139529, 150262, 214660, 279058, 300524, 332723, 375655, 429320, 558116, 601048, 665446, 697645, 751310, 976703, 1116232, 1330892, 1395290, 1502620, 1663615, 1953406, 2329061, 2661784, 2790580, 3005240, 3327230, 3906812, 4325399, 4658122, 4883515, 5581160, 6654460, 7813624, 8650798, 9316244, 9767030, 11645305, 13308920, 17301596, 18632488, 19534060, 21626995, 23290610, 30277793, 34603192, 39068120, 43253990, 46581220, 60555586, 86507980, 93162440, 121111172, 151388965, 173015960, 242222344, 302777930, 605555860, 1211111720]

約数ペア:

[(1, 1211111720), (2, 605555860), (4, 302777930), (5, 242222344), (7, 173015960), (8, 151388965), (10, 121111172), (13, 93162440), (14, 86507980), (20, 60555586), (26, 46581220), (28, 43253990), (31, 39068120), (35, 34603192), (40, 30277793), (52, 23290610), (56, 21626995), (62, 19534060), (65, 18632488), (70, 17301596), (91, 13308920), (104, 11645305), (124, 9767030), (130, 9316244), (140, 8650798), (155, 7813624), (182, 6654460), (217, 5581160), (248, 4883515), (260, 4658122), (280, 4325399), (310, 3906812), (364, 3327230), (403, 3005240), (434, 2790580), (455, 2661784), (520, 2329061), (620, 1953406), (728, 1663615), (806, 1502620), (868, 1395290), (910, 1330892), (1085, 1116232), (1240, 976703), (1612, 751310), (1736, 697645), (1820, 665446), (2015, 601048), (2170, 558116), (2821, 429320), (3224, 375655), (3640, 332723), (4030, 300524), (4340, 279058), (5642, 214660), (8060, 150262), (8680, 139529), (10733, 112840), (11284, 107330), (14105, 85864), (16120, 75131), (21466, 56420), (22568, 53665), (28210, 42932)]