18290520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 63376560

約数和(自身を除く): 45086040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 47, 60, 69, 72, 90, 92, 94, 115, 120, 138, 141, 180, 184, 188, 207, 230, 235, 276, 282, 345, 360, 376, 414, 423, 460, 470, 552, 564, 690, 705, 828, 846, 920, 940, 1035, 1081, 1128, 1380, 1410, 1656, 1692, 1880, 2070, 2115, 2162, 2209, 2760, 2820, 3243, 3384, 4140, 4230, 4324, 4418, 5405, 5640, 6486, 6627, 8280, 8460, 8648, 8836, 9729, 10810, 11045, 12972, 13254, 16215, 16920, 17672, 19458, 19881, 21620, 22090, 25944, 26508, 32430, 33135, 38916, 39762, 43240, 44180, 48645, 50807, 53016, 64860, 66270, 77832, 79524, 88360, 97290, 99405, 101614, 129720, 132540, 152421, 159048, 194580, 198810, 203228, 254035, 265080, 304842, 389160, 397620, 406456, 457263, 508070, 609684, 762105, 795240, 914526, 1016140, 1219368, 1524210, 1829052, 2032280, 2286315, 3048420, 3658104, 4572630, 6096840, 9145260, 18290520]

約数ペア:

[(1, 18290520), (2, 9145260), (3, 6096840), (4, 4572630), (5, 3658104), (6, 3048420), (8, 2286315), (9, 2032280), (10, 1829052), (12, 1524210), (15, 1219368), (18, 1016140), (20, 914526), (23, 795240), (24, 762105), (30, 609684), (36, 508070), (40, 457263), (45, 406456), (46, 397620), (47, 389160), (60, 304842), (69, 265080), (72, 254035), (90, 203228), (92, 198810), (94, 194580), (115, 159048), (120, 152421), (138, 132540), (141, 129720), (180, 101614), (184, 99405), (188, 97290), (207, 88360), (230, 79524), (235, 77832), (276, 66270), (282, 64860), (345, 53016), (360, 50807), (376, 48645), (414, 44180), (423, 43240), (460, 39762), (470, 38916), (552, 33135), (564, 32430), (690, 26508), (705, 25944), (828, 22090), (846, 21620), (920, 19881), (940, 19458), (1035, 17672), (1081, 16920), (1128, 16215), (1380, 13254), (1410, 12972), (1656, 11045), (1692, 10810), (1880, 9729), (2070, 8836), (2115, 8648), (2162, 8460), (2209, 8280), (2760, 6627), (2820, 6486), (3243, 5640), (3384, 5405), (4140, 4418), (4230, 4324)]