72072720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:630

約数の個数: 160

約数和(自身を含む): 252781440

約数和(自身を除く): 180708720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 216, 240, 244, 270, 305, 360, 366, 432, 488, 540, 547, 549, 610, 720, 732, 915, 976, 1080, 1094, 1098, 1220, 1464, 1641, 1647, 1830, 2160, 2188, 2196, 2440, 2735, 2745, 2928, 3282, 3294, 3660, 4376, 4392, 4880, 4923, 5470, 5490, 6564, 6588, 7320, 8205, 8235, 8752, 8784, 9846, 10940, 10980, 13128, 13176, 14640, 14769, 16410, 16470, 19692, 21880, 21960, 24615, 26256, 26352, 29538, 32820, 32940, 33367, 39384, 43760, 43920, 49230, 59076, 65640, 65880, 66734, 73845, 78768, 98460, 100101, 118152, 131280, 131760, 133468, 147690, 166835, 196920, 200202, 236304, 266936, 295380, 300303, 333670, 393840, 400404, 500505, 533872, 590760, 600606, 667340, 800808, 900909, 1001010, 1181520, 1201212, 1334680, 1501515, 1601616, 1801818, 2002020, 2402424, 2669360, 3003030, 3603636, 4004040, 4504545, 4804848, 6006060, 7207272, 8008080, 9009090, 12012120, 14414544, 18018180, 24024240, 36036360, 72072720]

約数ペア:

[(1, 72072720), (2, 36036360), (3, 24024240), (4, 18018180), (5, 14414544), (6, 12012120), (8, 9009090), (9, 8008080), (10, 7207272), (12, 6006060), (15, 4804848), (16, 4504545), (18, 4004040), (20, 3603636), (24, 3003030), (27, 2669360), (30, 2402424), (36, 2002020), (40, 1801818), (45, 1601616), (48, 1501515), (54, 1334680), (60, 1201212), (61, 1181520), (72, 1001010), (80, 900909), (90, 800808), (108, 667340), (120, 600606), (122, 590760), (135, 533872), (144, 500505), (180, 400404), (183, 393840), (216, 333670), (240, 300303), (244, 295380), (270, 266936), (305, 236304), (360, 200202), (366, 196920), (432, 166835), (488, 147690), (540, 133468), (547, 131760), (549, 131280), (610, 118152), (720, 100101), (732, 98460), (915, 78768), (976, 73845), (1080, 66734), (1094, 65880), (1098, 65640), (1220, 59076), (1464, 49230), (1641, 43920), (1647, 43760), (1830, 39384), (2160, 33367), (2188, 32940), (2196, 32820), (2440, 29538), (2735, 26352), (2745, 26256), (2928, 24615), (3282, 21960), (3294, 21880), (3660, 19692), (4376, 16470), (4392, 16410), (4880, 14769), (4923, 14640), (5470, 13176), (5490, 13128), (6564, 10980), (6588, 10940), (7320, 9846), (8205, 8784), (8235, 8752)]