31278312

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 97574400

約数和(自身を除く): 66296088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 47, 52, 54, 72, 78, 79, 81, 94, 104, 108, 117, 141, 156, 158, 162, 188, 216, 234, 237, 282, 312, 316, 324, 351, 376, 423, 468, 474, 564, 611, 632, 648, 702, 711, 846, 936, 948, 1027, 1053, 1128, 1222, 1269, 1404, 1422, 1692, 1833, 1896, 2054, 2106, 2133, 2444, 2538, 2808, 2844, 3081, 3384, 3666, 3713, 3807, 4108, 4212, 4266, 4888, 5076, 5499, 5688, 6162, 6399, 7332, 7426, 7614, 8216, 8424, 8532, 9243, 10152, 10998, 11139, 12324, 12798, 14664, 14852, 15228, 16497, 17064, 18486, 21996, 22278, 24648, 25596, 27729, 29704, 30456, 32994, 33417, 36972, 43992, 44556, 48269, 49491, 51192, 55458, 65988, 66834, 73944, 83187, 89112, 96538, 98982, 100251, 110916, 131976, 133668, 144807, 166374, 193076, 197964, 200502, 221832, 267336, 289614, 300753, 332748, 386152, 395928, 401004, 434421, 579228, 601506, 665496, 802008, 868842, 1158456, 1203012, 1303263, 1737684, 2406024, 2606526, 3475368, 3909789, 5213052, 7819578, 10426104, 15639156, 31278312]

約数ペア:

[(1, 31278312), (2, 15639156), (3, 10426104), (4, 7819578), (6, 5213052), (8, 3909789), (9, 3475368), (12, 2606526), (13, 2406024), (18, 1737684), (24, 1303263), (26, 1203012), (27, 1158456), (36, 868842), (39, 802008), (47, 665496), (52, 601506), (54, 579228), (72, 434421), (78, 401004), (79, 395928), (81, 386152), (94, 332748), (104, 300753), (108, 289614), (117, 267336), (141, 221832), (156, 200502), (158, 197964), (162, 193076), (188, 166374), (216, 144807), (234, 133668), (237, 131976), (282, 110916), (312, 100251), (316, 98982), (324, 96538), (351, 89112), (376, 83187), (423, 73944), (468, 66834), (474, 65988), (564, 55458), (611, 51192), (632, 49491), (648, 48269), (702, 44556), (711, 43992), (846, 36972), (936, 33417), (948, 32994), (1027, 30456), (1053, 29704), (1128, 27729), (1222, 25596), (1269, 24648), (1404, 22278), (1422, 21996), (1692, 18486), (1833, 17064), (1896, 16497), (2054, 15228), (2106, 14852), (2133, 14664), (2444, 12798), (2538, 12324), (2808, 11139), (2844, 10998), (3081, 10152), (3384, 9243), (3666, 8532), (3713, 8424), (3807, 8216), (4108, 7614), (4212, 7426), (4266, 7332), (4888, 6399), (5076, 6162), (5499, 5688)]