18285040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 44925696

約数和(自身を除く): 26640656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 101, 124, 146, 155, 202, 248, 292, 310, 365, 404, 496, 505, 584, 620, 730, 808, 1010, 1168, 1240, 1460, 1616, 2020, 2263, 2480, 2920, 3131, 4040, 4526, 5840, 6262, 7373, 8080, 9052, 11315, 12524, 14746, 15655, 18104, 22630, 25048, 29492, 31310, 36208, 36865, 45260, 50096, 58984, 62620, 73730, 90520, 117968, 125240, 147460, 181040, 228563, 250480, 294920, 457126, 589840, 914252, 1142815, 1828504, 2285630, 3657008, 4571260, 9142520, 18285040]

約数ペア:

[(1, 18285040), (2, 9142520), (4, 4571260), (5, 3657008), (8, 2285630), (10, 1828504), (16, 1142815), (20, 914252), (31, 589840), (40, 457126), (62, 294920), (73, 250480), (80, 228563), (101, 181040), (124, 147460), (146, 125240), (155, 117968), (202, 90520), (248, 73730), (292, 62620), (310, 58984), (365, 50096), (404, 45260), (496, 36865), (505, 36208), (584, 31310), (620, 29492), (730, 25048), (808, 22630), (1010, 18104), (1168, 15655), (1240, 14746), (1460, 12524), (1616, 11315), (2020, 9052), (2263, 8080), (2480, 7373), (2920, 6262), (3131, 5840), (4040, 4526)]