1640160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 6014736

約数和(自身を除く): 4374576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 67, 68, 72, 80, 85, 90, 96, 102, 120, 134, 136, 144, 153, 160, 170, 180, 201, 204, 240, 255, 268, 272, 288, 306, 335, 340, 360, 402, 408, 480, 510, 536, 544, 603, 612, 670, 680, 720, 765, 804, 816, 1005, 1020, 1072, 1139, 1206, 1224, 1340, 1360, 1440, 1530, 1608, 1632, 2010, 2040, 2144, 2278, 2412, 2448, 2680, 2720, 3015, 3060, 3216, 3417, 4020, 4080, 4556, 4824, 4896, 5360, 5695, 6030, 6120, 6432, 6834, 8040, 8160, 9112, 9648, 10251, 10720, 11390, 12060, 12240, 13668, 16080, 17085, 18224, 19296, 20502, 22780, 24120, 24480, 27336, 32160, 34170, 36448, 41004, 45560, 48240, 51255, 54672, 68340, 82008, 91120, 96480, 102510, 109344, 136680, 164016, 182240, 205020, 273360, 328032, 410040, 546720, 820080, 1640160]

約数ペア:

[(1, 1640160), (2, 820080), (3, 546720), (4, 410040), (5, 328032), (6, 273360), (8, 205020), (9, 182240), (10, 164016), (12, 136680), (15, 109344), (16, 102510), (17, 96480), (18, 91120), (20, 82008), (24, 68340), (30, 54672), (32, 51255), (34, 48240), (36, 45560), (40, 41004), (45, 36448), (48, 34170), (51, 32160), (60, 27336), (67, 24480), (68, 24120), (72, 22780), (80, 20502), (85, 19296), (90, 18224), (96, 17085), (102, 16080), (120, 13668), (134, 12240), (136, 12060), (144, 11390), (153, 10720), (160, 10251), (170, 9648), (180, 9112), (201, 8160), (204, 8040), (240, 6834), (255, 6432), (268, 6120), (272, 6030), (288, 5695), (306, 5360), (335, 4896), (340, 4824), (360, 4556), (402, 4080), (408, 4020), (480, 3417), (510, 3216), (536, 3060), (544, 3015), (603, 2720), (612, 2680), (670, 2448), (680, 2412), (720, 2278), (765, 2144), (804, 2040), (816, 2010), (1005, 1632), (1020, 1608), (1072, 1530), (1139, 1440), (1206, 1360), (1224, 1340)]