31815810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 90574848

約数和(自身を除く): 58759038

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 71, 78, 90, 117, 130, 142, 195, 213, 234, 355, 383, 390, 426, 585, 639, 710, 766, 923, 1065, 1149, 1170, 1278, 1846, 1915, 2130, 2298, 2769, 3195, 3447, 3830, 4615, 4979, 5538, 5745, 6390, 6894, 8307, 9230, 9958, 11490, 13845, 14937, 16614, 17235, 24895, 27193, 27690, 29874, 34470, 41535, 44811, 49790, 54386, 74685, 81579, 83070, 89622, 135965, 149370, 163158, 224055, 244737, 271930, 353509, 407895, 448110, 489474, 707018, 815790, 1060527, 1223685, 1767545, 2121054, 2447370, 3181581, 3535090, 5302635, 6363162, 10605270, 15907905, 31815810]

約数ペア:

[(1, 31815810), (2, 15907905), (3, 10605270), (5, 6363162), (6, 5302635), (9, 3535090), (10, 3181581), (13, 2447370), (15, 2121054), (18, 1767545), (26, 1223685), (30, 1060527), (39, 815790), (45, 707018), (65, 489474), (71, 448110), (78, 407895), (90, 353509), (117, 271930), (130, 244737), (142, 224055), (195, 163158), (213, 149370), (234, 135965), (355, 89622), (383, 83070), (390, 81579), (426, 74685), (585, 54386), (639, 49790), (710, 44811), (766, 41535), (923, 34470), (1065, 29874), (1149, 27690), (1170, 27193), (1278, 24895), (1846, 17235), (1915, 16614), (2130, 14937), (2298, 13845), (2769, 11490), (3195, 9958), (3447, 9230), (3830, 8307), (4615, 6894), (4979, 6390), (5538, 5745)]