31519480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 75888000

約数和(自身を除く): 44368520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 380, 536, 619, 670, 760, 1238, 1273, 1340, 2476, 2546, 2680, 3095, 4952, 5092, 6190, 6365, 10184, 11761, 12380, 12730, 23522, 24760, 25460, 41473, 47044, 50920, 58805, 82946, 94088, 117610, 165892, 207365, 235220, 331784, 414730, 470440, 787987, 829460, 1575974, 1658920, 3151948, 3939935, 6303896, 7879870, 15759740, 31519480]

約数ペア:

[(1, 31519480), (2, 15759740), (4, 7879870), (5, 6303896), (8, 3939935), (10, 3151948), (19, 1658920), (20, 1575974), (38, 829460), (40, 787987), (67, 470440), (76, 414730), (95, 331784), (134, 235220), (152, 207365), (190, 165892), (268, 117610), (335, 94088), (380, 82946), (536, 58805), (619, 50920), (670, 47044), (760, 41473), (1238, 25460), (1273, 24760), (1340, 23522), (2476, 12730), (2546, 12380), (2680, 11761), (3095, 10184), (4952, 6365), (5092, 6190)]