31231380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 94179456

約数和(自身を除く): 62948076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 67, 68, 85, 102, 134, 170, 201, 204, 255, 268, 335, 340, 402, 457, 510, 670, 804, 914, 1005, 1020, 1139, 1340, 1371, 1828, 2010, 2278, 2285, 2742, 3417, 4020, 4556, 4570, 5484, 5695, 6834, 6855, 7769, 9140, 11390, 13668, 13710, 15538, 17085, 22780, 23307, 27420, 30619, 31076, 34170, 38845, 46614, 61238, 68340, 77690, 91857, 93228, 116535, 122476, 153095, 155380, 183714, 233070, 306190, 367428, 459285, 466140, 520523, 612380, 918570, 1041046, 1561569, 1837140, 2082092, 2602615, 3123138, 5205230, 6246276, 7807845, 10410460, 15615690, 31231380]

約数ペア:

[(1, 31231380), (2, 15615690), (3, 10410460), (4, 7807845), (5, 6246276), (6, 5205230), (10, 3123138), (12, 2602615), (15, 2082092), (17, 1837140), (20, 1561569), (30, 1041046), (34, 918570), (51, 612380), (60, 520523), (67, 466140), (68, 459285), (85, 367428), (102, 306190), (134, 233070), (170, 183714), (201, 155380), (204, 153095), (255, 122476), (268, 116535), (335, 93228), (340, 91857), (402, 77690), (457, 68340), (510, 61238), (670, 46614), (804, 38845), (914, 34170), (1005, 31076), (1020, 30619), (1139, 27420), (1340, 23307), (1371, 22780), (1828, 17085), (2010, 15538), (2278, 13710), (2285, 13668), (2742, 11390), (3417, 9140), (4020, 7769), (4556, 6855), (4570, 6834), (5484, 5695)]