88786620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 144

約数和(自身を含む): 305454240

約数和(自身を除く): 216667620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 1997, 2223, 2340, 2470, 2964, 3420, 3705, 3994, 4446, 4940, 5991, 7410, 7988, 8892, 9985, 11115, 11982, 14820, 17973, 19970, 22230, 23964, 25961, 29955, 35946, 37943, 39940, 44460, 51922, 59910, 71892, 75886, 77883, 89865, 103844, 113829, 119820, 129805, 151772, 155766, 179730, 189715, 227658, 233649, 259610, 311532, 341487, 359460, 379430, 389415, 455316, 467298, 493259, 519220, 569145, 682974, 758860, 778830, 934596, 986518, 1138290, 1168245, 1365948, 1479777, 1557660, 1707435, 1973036, 2276580, 2336490, 2466295, 2959554, 3414870, 4439331, 4672980, 4932590, 5919108, 6829740, 7398885, 8878662, 9865180, 14797770, 17757324, 22196655, 29595540, 44393310, 88786620]

約数ペア:

[(1, 88786620), (2, 44393310), (3, 29595540), (4, 22196655), (5, 17757324), (6, 14797770), (9, 9865180), (10, 8878662), (12, 7398885), (13, 6829740), (15, 5919108), (18, 4932590), (19, 4672980), (20, 4439331), (26, 3414870), (30, 2959554), (36, 2466295), (38, 2336490), (39, 2276580), (45, 1973036), (52, 1707435), (57, 1557660), (60, 1479777), (65, 1365948), (76, 1168245), (78, 1138290), (90, 986518), (95, 934596), (114, 778830), (117, 758860), (130, 682974), (156, 569145), (171, 519220), (180, 493259), (190, 467298), (195, 455316), (228, 389415), (234, 379430), (247, 359460), (260, 341487), (285, 311532), (342, 259610), (380, 233649), (390, 227658), (468, 189715), (494, 179730), (570, 155766), (585, 151772), (684, 129805), (741, 119820), (780, 113829), (855, 103844), (988, 89865), (1140, 77883), (1170, 75886), (1235, 71892), (1482, 59910), (1710, 51922), (1997, 44460), (2223, 39940), (2340, 37943), (2470, 35946), (2964, 29955), (3420, 25961), (3705, 23964), (3994, 22230), (4446, 19970), (4940, 17973), (5991, 14820), (7410, 11982), (7988, 11115), (8892, 9985)]