278826120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12697}}^1$

素因数の和:12775

約数の個数: 96

約数和(自身を含む): 921112920

約数和(自身を除く): 642286800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 4392, 5490, 7320, 10980, 12697, 21960, 25394, 38091, 50788, 63485, 76182, 101576, 114273, 126970, 152364, 190455, 228546, 253940, 304728, 380910, 457092, 507880, 571365, 761820, 774517, 914184, 1142730, 1523640, 1549034, 2285460, 2323551, 3098068, 3872585, 4570920, 4647102, 6196136, 6970653, 7745170, 9294204, 11617755, 13941306, 15490340, 18588408, 23235510, 27882612, 30980680, 34853265, 46471020, 55765224, 69706530, 92942040, 139413060, 278826120]

約数ペア:

[(1, 278826120), (2, 139413060), (3, 92942040), (4, 69706530), (5, 55765224), (6, 46471020), (8, 34853265), (9, 30980680), (10, 27882612), (12, 23235510), (15, 18588408), (18, 15490340), (20, 13941306), (24, 11617755), (30, 9294204), (36, 7745170), (40, 6970653), (45, 6196136), (60, 4647102), (61, 4570920), (72, 3872585), (90, 3098068), (120, 2323551), (122, 2285460), (180, 1549034), (183, 1523640), (244, 1142730), (305, 914184), (360, 774517), (366, 761820), (488, 571365), (549, 507880), (610, 457092), (732, 380910), (915, 304728), (1098, 253940), (1220, 228546), (1464, 190455), (1830, 152364), (2196, 126970), (2440, 114273), (2745, 101576), (3660, 76182), (4392, 63485), (5490, 50788), (7320, 38091), (10980, 25394), (12697, 21960)]