15961260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 53434080

約数和(自身を除く): 37472820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 89, 98, 105, 122, 140, 147, 178, 183, 196, 210, 244, 245, 267, 294, 305, 356, 366, 420, 427, 445, 490, 534, 588, 610, 623, 732, 735, 854, 890, 915, 980, 1068, 1220, 1246, 1281, 1335, 1470, 1708, 1780, 1830, 1869, 2135, 2492, 2562, 2670, 2940, 2989, 3115, 3660, 3738, 4270, 4361, 5124, 5340, 5429, 5978, 6230, 6405, 7476, 8540, 8722, 8967, 9345, 10858, 11956, 12460, 12810, 13083, 14945, 16287, 17444, 17934, 18690, 21716, 21805, 25620, 26166, 27145, 29890, 32574, 35868, 37380, 38003, 43610, 44835, 52332, 54290, 59780, 65148, 65415, 76006, 81435, 87220, 89670, 108580, 114009, 130830, 152012, 162870, 179340, 190015, 228018, 261660, 266021, 325740, 380030, 456036, 532042, 570045, 760060, 798063, 1064084, 1140090, 1330105, 1596126, 2280180, 2660210, 3192252, 3990315, 5320420, 7980630, 15961260]

約数ペア:

[(1, 15961260), (2, 7980630), (3, 5320420), (4, 3990315), (5, 3192252), (6, 2660210), (7, 2280180), (10, 1596126), (12, 1330105), (14, 1140090), (15, 1064084), (20, 798063), (21, 760060), (28, 570045), (30, 532042), (35, 456036), (42, 380030), (49, 325740), (60, 266021), (61, 261660), (70, 228018), (84, 190015), (89, 179340), (98, 162870), (105, 152012), (122, 130830), (140, 114009), (147, 108580), (178, 89670), (183, 87220), (196, 81435), (210, 76006), (244, 65415), (245, 65148), (267, 59780), (294, 54290), (305, 52332), (356, 44835), (366, 43610), (420, 38003), (427, 37380), (445, 35868), (490, 32574), (534, 29890), (588, 27145), (610, 26166), (623, 25620), (732, 21805), (735, 21716), (854, 18690), (890, 17934), (915, 17444), (980, 16287), (1068, 14945), (1220, 13083), (1246, 12810), (1281, 12460), (1335, 11956), (1470, 10858), (1708, 9345), (1780, 8967), (1830, 8722), (1869, 8540), (2135, 7476), (2492, 6405), (2562, 6230), (2670, 5978), (2940, 5429), (2989, 5340), (3115, 5124), (3660, 4361), (3738, 4270)]