28669680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1056

約数の個数: 160

約数和(自身を含む): 106451520

約数和(自身を除く): 77781840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1021, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2042, 2160, 2340, 2808, 3063, 3120, 3510, 4084, 4680, 5105, 5616, 6126, 7020, 8168, 9189, 9360, 10210, 12252, 13273, 14040, 15315, 16336, 18378, 20420, 24504, 26546, 27567, 28080, 30630, 36756, 39819, 40840, 45945, 49008, 53092, 55134, 61260, 66365, 73512, 79638, 81680, 91890, 106184, 110268, 119457, 122520, 132730, 137835, 147024, 159276, 183780, 199095, 212368, 220536, 238914, 245040, 265460, 275670, 318552, 358371, 367560, 398190, 441072, 477828, 530920, 551340, 597285, 637104, 716742, 735120, 796380, 955656, 1061840, 1102680, 1194570, 1433484, 1592760, 1791855, 1911312, 2205360, 2389140, 2866968, 3185520, 3583710, 4778280, 5733936, 7167420, 9556560, 14334840, 28669680]

約数ペア:

[(1, 28669680), (2, 14334840), (3, 9556560), (4, 7167420), (5, 5733936), (6, 4778280), (8, 3583710), (9, 3185520), (10, 2866968), (12, 2389140), (13, 2205360), (15, 1911312), (16, 1791855), (18, 1592760), (20, 1433484), (24, 1194570), (26, 1102680), (27, 1061840), (30, 955656), (36, 796380), (39, 735120), (40, 716742), (45, 637104), (48, 597285), (52, 551340), (54, 530920), (60, 477828), (65, 441072), (72, 398190), (78, 367560), (80, 358371), (90, 318552), (104, 275670), (108, 265460), (117, 245040), (120, 238914), (130, 220536), (135, 212368), (144, 199095), (156, 183780), (180, 159276), (195, 147024), (208, 137835), (216, 132730), (234, 122520), (240, 119457), (260, 110268), (270, 106184), (312, 91890), (351, 81680), (360, 79638), (390, 73512), (432, 66365), (468, 61260), (520, 55134), (540, 53092), (585, 49008), (624, 45945), (702, 40840), (720, 39819), (780, 36756), (936, 30630), (1021, 28080), (1040, 27567), (1080, 26546), (1170, 24504), (1404, 20420), (1560, 18378), (1755, 16336), (1872, 15315), (2042, 14040), (2160, 13273), (2340, 12252), (2808, 10210), (3063, 9360), (3120, 9189), (3510, 8168), (4084, 7020), (4680, 6126), (5105, 5616)]