78205560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21023}}^1$

素因数の和:21068

約数の個数: 64

約数和(自身を含む): 242196480

約数和(自身を除く): 163990920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21023, 42046, 63069, 84092, 105115, 126138, 168184, 210230, 252276, 315345, 420460, 504552, 630690, 651713, 840920, 1261380, 1303426, 1955139, 2522760, 2606852, 3258565, 3910278, 5213704, 6517130, 7820556, 9775695, 13034260, 15641112, 19551390, 26068520, 39102780, 78205560]

約数ペア:

[(1, 78205560), (2, 39102780), (3, 26068520), (4, 19551390), (5, 15641112), (6, 13034260), (8, 9775695), (10, 7820556), (12, 6517130), (15, 5213704), (20, 3910278), (24, 3258565), (30, 2606852), (31, 2522760), (40, 1955139), (60, 1303426), (62, 1261380), (93, 840920), (120, 651713), (124, 630690), (155, 504552), (186, 420460), (248, 315345), (310, 252276), (372, 210230), (465, 168184), (620, 126138), (744, 105115), (930, 84092), (1240, 63069), (1860, 42046), (3720, 21023)]