18490680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:475

約数の個数: 160

約数和(自身を含む): 67082400

約数和(自身を除く): 48591720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 439, 468, 520, 540, 585, 648, 702, 780, 810, 878, 936, 1053, 1080, 1170, 1317, 1404, 1560, 1620, 1755, 1756, 2106, 2195, 2340, 2634, 2808, 3240, 3510, 3512, 3951, 4212, 4390, 4680, 5265, 5268, 5707, 6585, 7020, 7902, 8424, 8780, 10530, 10536, 11414, 11853, 13170, 14040, 15804, 17121, 17560, 19755, 21060, 22828, 23706, 26340, 28535, 31608, 34242, 35559, 39510, 42120, 45656, 47412, 51363, 52680, 57070, 59265, 68484, 71118, 79020, 85605, 94824, 102726, 114140, 118530, 136968, 142236, 154089, 158040, 171210, 177795, 205452, 228280, 237060, 256815, 284472, 308178, 342420, 355590, 410904, 462267, 474120, 513630, 616356, 684840, 711180, 770445, 924534, 1027260, 1232712, 1422360, 1540890, 1849068, 2054520, 2311335, 3081780, 3698136, 4622670, 6163560, 9245340, 18490680]

約数ペア:

[(1, 18490680), (2, 9245340), (3, 6163560), (4, 4622670), (5, 3698136), (6, 3081780), (8, 2311335), (9, 2054520), (10, 1849068), (12, 1540890), (13, 1422360), (15, 1232712), (18, 1027260), (20, 924534), (24, 770445), (26, 711180), (27, 684840), (30, 616356), (36, 513630), (39, 474120), (40, 462267), (45, 410904), (52, 355590), (54, 342420), (60, 308178), (65, 284472), (72, 256815), (78, 237060), (81, 228280), (90, 205452), (104, 177795), (108, 171210), (117, 158040), (120, 154089), (130, 142236), (135, 136968), (156, 118530), (162, 114140), (180, 102726), (195, 94824), (216, 85605), (234, 79020), (260, 71118), (270, 68484), (312, 59265), (324, 57070), (351, 52680), (360, 51363), (390, 47412), (405, 45656), (439, 42120), (468, 39510), (520, 35559), (540, 34242), (585, 31608), (648, 28535), (702, 26340), (780, 23706), (810, 22828), (878, 21060), (936, 19755), (1053, 17560), (1080, 17121), (1170, 15804), (1317, 14040), (1404, 13170), (1560, 11853), (1620, 11414), (1755, 10536), (1756, 10530), (2106, 8780), (2195, 8424), (2340, 7902), (2634, 7020), (2808, 6585), (3240, 5707), (3510, 5268), (3512, 5265), (3951, 4680), (4212, 4390)]