31997520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2377

約数の個数: 120

約数和(自身を含む): 113162400

約数和(自身を除く): 81164880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2339, 2736, 3420, 4560, 4678, 6840, 7017, 9356, 11695, 13680, 14034, 18712, 21051, 23390, 28068, 35085, 37424, 42102, 44441, 46780, 56136, 70170, 84204, 88882, 93560, 105255, 112272, 133323, 140340, 168408, 177764, 187120, 210510, 222205, 266646, 280680, 336816, 355528, 399969, 421020, 444410, 533292, 561360, 666615, 711056, 799938, 842040, 888820, 1066584, 1333230, 1599876, 1684080, 1777640, 1999845, 2133168, 2666460, 3199752, 3555280, 3999690, 5332920, 6399504, 7999380, 10665840, 15998760, 31997520]

約数ペア:

[(1, 31997520), (2, 15998760), (3, 10665840), (4, 7999380), (5, 6399504), (6, 5332920), (8, 3999690), (9, 3555280), (10, 3199752), (12, 2666460), (15, 2133168), (16, 1999845), (18, 1777640), (19, 1684080), (20, 1599876), (24, 1333230), (30, 1066584), (36, 888820), (38, 842040), (40, 799938), (45, 711056), (48, 666615), (57, 561360), (60, 533292), (72, 444410), (76, 421020), (80, 399969), (90, 355528), (95, 336816), (114, 280680), (120, 266646), (144, 222205), (152, 210510), (171, 187120), (180, 177764), (190, 168408), (228, 140340), (240, 133323), (285, 112272), (304, 105255), (342, 93560), (360, 88882), (380, 84204), (456, 70170), (570, 56136), (684, 46780), (720, 44441), (760, 42102), (855, 37424), (912, 35085), (1140, 28068), (1368, 23390), (1520, 21051), (1710, 18712), (2280, 14034), (2339, 13680), (2736, 11695), (3420, 9356), (4560, 7017), (4678, 6840)]