81774420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:930

約数の個数: 192

約数和(自身を含む): 298722816

約数和(自身を除く): 216948396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 663, 714, 780, 881, 884, 910, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1762, 1785, 1820, 2210, 2380, 2643, 2652, 2730, 3094, 3315, 3524, 3570, 4405, 4420, 4641, 5286, 5460, 6167, 6188, 6630, 7140, 7735, 8810, 9282, 10572, 11453, 12334, 13215, 13260, 14977, 15470, 17620, 18501, 18564, 22906, 23205, 24668, 26430, 29954, 30835, 30940, 34359, 37002, 44931, 45812, 46410, 52860, 57265, 59908, 61670, 68718, 74004, 74885, 80171, 89862, 92505, 92820, 104839, 114530, 123340, 137436, 149770, 160342, 171795, 179724, 185010, 194701, 209678, 224655, 229060, 240513, 299540, 314517, 320684, 343590, 370020, 389402, 400855, 419356, 449310, 481026, 524195, 584103, 629034, 687180, 778804, 801710, 898620, 962052, 973505, 1048390, 1168206, 1202565, 1258068, 1362907, 1572585, 1603420, 1947010, 2096780, 2336412, 2405130, 2725814, 2920515, 3145170, 3894020, 4088721, 4810260, 5451628, 5841030, 6290340, 6814535, 8177442, 11682060, 13629070, 16354884, 20443605, 27258140, 40887210, 81774420]

約数ペア:

[(1, 81774420), (2, 40887210), (3, 27258140), (4, 20443605), (5, 16354884), (6, 13629070), (7, 11682060), (10, 8177442), (12, 6814535), (13, 6290340), (14, 5841030), (15, 5451628), (17, 4810260), (20, 4088721), (21, 3894020), (26, 3145170), (28, 2920515), (30, 2725814), (34, 2405130), (35, 2336412), (39, 2096780), (42, 1947010), (51, 1603420), (52, 1572585), (60, 1362907), (65, 1258068), (68, 1202565), (70, 1168206), (78, 1048390), (84, 973505), (85, 962052), (91, 898620), (102, 801710), (105, 778804), (119, 687180), (130, 629034), (140, 584103), (156, 524195), (170, 481026), (182, 449310), (195, 419356), (204, 400855), (210, 389402), (221, 370020), (238, 343590), (255, 320684), (260, 314517), (273, 299540), (340, 240513), (357, 229060), (364, 224655), (390, 209678), (420, 194701), (442, 185010), (455, 179724), (476, 171795), (510, 160342), (546, 149770), (595, 137436), (663, 123340), (714, 114530), (780, 104839), (881, 92820), (884, 92505), (910, 89862), (1020, 80171), (1092, 74885), (1105, 74004), (1190, 68718), (1326, 61670), (1365, 59908), (1428, 57265), (1547, 52860), (1762, 46410), (1785, 45812), (1820, 44931), (2210, 37002), (2380, 34359), (2643, 30940), (2652, 30835), (2730, 29954), (3094, 26430), (3315, 24668), (3524, 23205), (3570, 22906), (4405, 18564), (4420, 18501), (4641, 17620), (5286, 15470), (5460, 14977), (6167, 13260), (6188, 13215), (6630, 12334), (7140, 11453), (7735, 10572), (8810, 9282)]