18518640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 66948096

約数和(自身を除く): 48429456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 151, 168, 210, 219, 240, 280, 292, 302, 336, 365, 420, 438, 453, 511, 560, 584, 604, 730, 755, 840, 876, 906, 1022, 1057, 1095, 1168, 1208, 1460, 1510, 1533, 1680, 1752, 1812, 2044, 2114, 2190, 2265, 2416, 2555, 2920, 3020, 3066, 3171, 3504, 3624, 4088, 4228, 4380, 4530, 5110, 5285, 5840, 6040, 6132, 6342, 7248, 7665, 8176, 8456, 8760, 9060, 10220, 10570, 11023, 12080, 12264, 12684, 15330, 15855, 16912, 17520, 18120, 20440, 21140, 22046, 24528, 25368, 30660, 31710, 33069, 36240, 40880, 42280, 44092, 50736, 55115, 61320, 63420, 66138, 77161, 84560, 88184, 110230, 122640, 126840, 132276, 154322, 165345, 176368, 220460, 231483, 253680, 264552, 308644, 330690, 385805, 440920, 462966, 529104, 617288, 661380, 771610, 881840, 925932, 1157415, 1234576, 1322760, 1543220, 1851864, 2314830, 2645520, 3086440, 3703728, 4629660, 6172880, 9259320, 18518640]

約数ペア:

[(1, 18518640), (2, 9259320), (3, 6172880), (4, 4629660), (5, 3703728), (6, 3086440), (7, 2645520), (8, 2314830), (10, 1851864), (12, 1543220), (14, 1322760), (15, 1234576), (16, 1157415), (20, 925932), (21, 881840), (24, 771610), (28, 661380), (30, 617288), (35, 529104), (40, 462966), (42, 440920), (48, 385805), (56, 330690), (60, 308644), (70, 264552), (73, 253680), (80, 231483), (84, 220460), (105, 176368), (112, 165345), (120, 154322), (140, 132276), (146, 126840), (151, 122640), (168, 110230), (210, 88184), (219, 84560), (240, 77161), (280, 66138), (292, 63420), (302, 61320), (336, 55115), (365, 50736), (420, 44092), (438, 42280), (453, 40880), (511, 36240), (560, 33069), (584, 31710), (604, 30660), (730, 25368), (755, 24528), (840, 22046), (876, 21140), (906, 20440), (1022, 18120), (1057, 17520), (1095, 16912), (1168, 15855), (1208, 15330), (1460, 12684), (1510, 12264), (1533, 12080), (1680, 11023), (1752, 10570), (1812, 10220), (2044, 9060), (2114, 8760), (2190, 8456), (2265, 8176), (2416, 7665), (2555, 7248), (2920, 6342), (3020, 6132), (3066, 6040), (3171, 5840), (3504, 5285), (3624, 5110), (4088, 4530), (4228, 4380)]