820080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 2959632

約数和(自身を除く): 2139552

約数列:

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

約数ペア:

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