145447040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7331}}^1$

素因数の和:7381

約数の個数: 64

約数和(自身を含む): 358974720

約数和(自身を除く): 213527680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 7331, 9920, 14662, 19840, 29324, 36655, 58648, 73310, 117296, 146620, 227261, 234592, 293240, 454522, 469184, 586480, 909044, 938368, 1136305, 1172960, 1818088, 2272610, 2345920, 3636176, 4545220, 4691840, 7272352, 9090440, 14544704, 18180880, 29089408, 36361760, 72723520, 145447040]

約数ペア:

[(1, 145447040), (2, 72723520), (4, 36361760), (5, 29089408), (8, 18180880), (10, 14544704), (16, 9090440), (20, 7272352), (31, 4691840), (32, 4545220), (40, 3636176), (62, 2345920), (64, 2272610), (80, 1818088), (124, 1172960), (128, 1136305), (155, 938368), (160, 909044), (248, 586480), (310, 469184), (320, 454522), (496, 293240), (620, 234592), (640, 227261), (992, 146620), (1240, 117296), (1984, 73310), (2480, 58648), (3968, 36655), (4960, 29324), (7331, 19840), (9920, 14662)]