18395160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 64281600

約数和(自身を除く): 45886440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 359, 366, 420, 427, 488, 610, 718, 732, 840, 854, 915, 1077, 1220, 1281, 1436, 1464, 1708, 1795, 1830, 2135, 2154, 2440, 2513, 2562, 2872, 3416, 3590, 3660, 4270, 4308, 5026, 5124, 5385, 6405, 7180, 7320, 7539, 8540, 8616, 10052, 10248, 10770, 12565, 12810, 14360, 15078, 17080, 20104, 21540, 21899, 25130, 25620, 30156, 37695, 43080, 43798, 50260, 51240, 60312, 65697, 75390, 87596, 100520, 109495, 131394, 150780, 153293, 175192, 218990, 262788, 301560, 306586, 328485, 437980, 459879, 525576, 613172, 656970, 766465, 875960, 919758, 1226344, 1313940, 1532930, 1839516, 2299395, 2627880, 3065860, 3679032, 4598790, 6131720, 9197580, 18395160]

約数ペア:

[(1, 18395160), (2, 9197580), (3, 6131720), (4, 4598790), (5, 3679032), (6, 3065860), (7, 2627880), (8, 2299395), (10, 1839516), (12, 1532930), (14, 1313940), (15, 1226344), (20, 919758), (21, 875960), (24, 766465), (28, 656970), (30, 613172), (35, 525576), (40, 459879), (42, 437980), (56, 328485), (60, 306586), (61, 301560), (70, 262788), (84, 218990), (105, 175192), (120, 153293), (122, 150780), (140, 131394), (168, 109495), (183, 100520), (210, 87596), (244, 75390), (280, 65697), (305, 60312), (359, 51240), (366, 50260), (420, 43798), (427, 43080), (488, 37695), (610, 30156), (718, 25620), (732, 25130), (840, 21899), (854, 21540), (915, 20104), (1077, 17080), (1220, 15078), (1281, 14360), (1436, 12810), (1464, 12565), (1708, 10770), (1795, 10248), (1830, 10052), (2135, 8616), (2154, 8540), (2440, 7539), (2513, 7320), (2562, 7180), (2872, 6405), (3416, 5385), (3590, 5124), (3660, 5026), (4270, 4308)]