16666720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 47029248

約数和(自身を除く): 30362528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 647, 736, 805, 920, 1120, 1288, 1294, 1610, 1840, 2576, 2588, 3220, 3235, 3680, 4529, 5152, 5176, 6440, 6470, 9058, 10352, 12880, 12940, 14881, 18116, 20704, 22645, 25760, 25880, 29762, 36232, 45290, 51760, 59524, 72464, 74405, 90580, 103520, 104167, 119048, 144928, 148810, 181160, 208334, 238096, 297620, 362320, 416668, 476192, 520835, 595240, 724640, 833336, 1041670, 1190480, 1666672, 2083340, 2380960, 3333344, 4166680, 8333360, 16666720]

約数ペア:

[(1, 16666720), (2, 8333360), (4, 4166680), (5, 3333344), (7, 2380960), (8, 2083340), (10, 1666672), (14, 1190480), (16, 1041670), (20, 833336), (23, 724640), (28, 595240), (32, 520835), (35, 476192), (40, 416668), (46, 362320), (56, 297620), (70, 238096), (80, 208334), (92, 181160), (112, 148810), (115, 144928), (140, 119048), (160, 104167), (161, 103520), (184, 90580), (224, 74405), (230, 72464), (280, 59524), (322, 51760), (368, 45290), (460, 36232), (560, 29762), (644, 25880), (647, 25760), (736, 22645), (805, 20704), (920, 18116), (1120, 14881), (1288, 12940), (1294, 12880), (1610, 10352), (1840, 9058), (2576, 6470), (2588, 6440), (3220, 5176), (3235, 5152), (3680, 4529)]