71915340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 238672224

約数和(自身を除く): 166756884

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, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 401, 420, 427, 490, 588, 610, 732, 735, 802, 854, 915, 980, 1203, 1220, 1281, 1470, 1604, 1708, 1830, 2005, 2135, 2406, 2562, 2807, 2940, 2989, 3660, 4010, 4270, 4812, 5124, 5614, 5978, 6015, 6405, 8020, 8421, 8540, 8967, 11228, 11956, 12030, 12810, 14035, 14945, 16842, 17934, 19649, 24060, 24461, 25620, 28070, 29890, 33684, 35868, 39298, 42105, 44835, 48922, 56140, 58947, 59780, 73383, 78596, 84210, 89670, 97844, 98245, 117894, 122305, 146766, 168420, 171227, 179340, 196490, 235788, 244610, 293532, 294735, 342454, 366915, 392980, 489220, 513681, 589470, 684908, 733830, 856135, 1027362, 1178940, 1198589, 1467660, 1712270, 2054724, 2397178, 2568405, 3424540, 3595767, 4794356, 5136810, 5992945, 7191534, 10273620, 11985890, 14383068, 17978835, 23971780, 35957670, 71915340]

約数ペア:

[(1, 71915340), (2, 35957670), (3, 23971780), (4, 17978835), (5, 14383068), (6, 11985890), (7, 10273620), (10, 7191534), (12, 5992945), (14, 5136810), (15, 4794356), (20, 3595767), (21, 3424540), (28, 2568405), (30, 2397178), (35, 2054724), (42, 1712270), (49, 1467660), (60, 1198589), (61, 1178940), (70, 1027362), (84, 856135), (98, 733830), (105, 684908), (122, 589470), (140, 513681), (147, 489220), (183, 392980), (196, 366915), (210, 342454), (244, 294735), (245, 293532), (294, 244610), (305, 235788), (366, 196490), (401, 179340), (420, 171227), (427, 168420), (490, 146766), (588, 122305), (610, 117894), (732, 98245), (735, 97844), (802, 89670), (854, 84210), (915, 78596), (980, 73383), (1203, 59780), (1220, 58947), (1281, 56140), (1470, 48922), (1604, 44835), (1708, 42105), (1830, 39298), (2005, 35868), (2135, 33684), (2406, 29890), (2562, 28070), (2807, 25620), (2940, 24461), (2989, 24060), (3660, 19649), (4010, 17934), (4270, 16842), (4812, 14945), (5124, 14035), (5614, 12810), (5978, 12030), (6015, 11956), (6405, 11228), (8020, 8967), (8421, 8540)]