31537380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 108936576

約数和(自身を除く): 77399196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 631, 714, 735, 833, 980, 1020, 1190, 1262, 1428, 1470, 1666, 1785, 1893, 2380, 2499, 2524, 2940, 3155, 3332, 3570, 3786, 4165, 4417, 4998, 6310, 7140, 7572, 8330, 8834, 9465, 9996, 10727, 12495, 12620, 13251, 16660, 17668, 18930, 21454, 22085, 24990, 26502, 30919, 32181, 37860, 42908, 44170, 49980, 53004, 53635, 61838, 64362, 66255, 75089, 88340, 92757, 107270, 123676, 128724, 132510, 150178, 154595, 160905, 185514, 214540, 225267, 265020, 300356, 309190, 321810, 371028, 375445, 450534, 463785, 525623, 618380, 643620, 750890, 901068, 927570, 1051246, 1126335, 1501780, 1576869, 1855140, 2102492, 2252670, 2628115, 3153738, 4505340, 5256230, 6307476, 7884345, 10512460, 15768690, 31537380]

約数ペア:

[(1, 31537380), (2, 15768690), (3, 10512460), (4, 7884345), (5, 6307476), (6, 5256230), (7, 4505340), (10, 3153738), (12, 2628115), (14, 2252670), (15, 2102492), (17, 1855140), (20, 1576869), (21, 1501780), (28, 1126335), (30, 1051246), (34, 927570), (35, 901068), (42, 750890), (49, 643620), (51, 618380), (60, 525623), (68, 463785), (70, 450534), (84, 375445), (85, 371028), (98, 321810), (102, 309190), (105, 300356), (119, 265020), (140, 225267), (147, 214540), (170, 185514), (196, 160905), (204, 154595), (210, 150178), (238, 132510), (245, 128724), (255, 123676), (294, 107270), (340, 92757), (357, 88340), (420, 75089), (476, 66255), (490, 64362), (510, 61838), (588, 53635), (595, 53004), (631, 49980), (714, 44170), (735, 42908), (833, 37860), (980, 32181), (1020, 30919), (1190, 26502), (1262, 24990), (1428, 22085), (1470, 21454), (1666, 18930), (1785, 17668), (1893, 16660), (2380, 13251), (2499, 12620), (2524, 12495), (2940, 10727), (3155, 9996), (3332, 9465), (3570, 8834), (3786, 8330), (4165, 7572), (4417, 7140), (4998, 6310)]