28909080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 94826160

約数和(自身を除く): 65917080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 131, 180, 262, 360, 393, 524, 613, 655, 786, 1048, 1179, 1226, 1310, 1572, 1839, 1965, 2358, 2452, 2620, 3065, 3144, 3678, 3930, 4716, 4904, 5240, 5517, 5895, 6130, 7356, 7860, 9195, 9432, 11034, 11790, 12260, 14712, 15720, 18390, 22068, 23580, 24520, 27585, 36780, 44136, 47160, 55170, 73560, 80303, 110340, 160606, 220680, 240909, 321212, 401515, 481818, 642424, 722727, 803030, 963636, 1204545, 1445454, 1606060, 1927272, 2409090, 2890908, 3212120, 3613635, 4818180, 5781816, 7227270, 9636360, 14454540, 28909080]

約数ペア:

[(1, 28909080), (2, 14454540), (3, 9636360), (4, 7227270), (5, 5781816), (6, 4818180), (8, 3613635), (9, 3212120), (10, 2890908), (12, 2409090), (15, 1927272), (18, 1606060), (20, 1445454), (24, 1204545), (30, 963636), (36, 803030), (40, 722727), (45, 642424), (60, 481818), (72, 401515), (90, 321212), (120, 240909), (131, 220680), (180, 160606), (262, 110340), (360, 80303), (393, 73560), (524, 55170), (613, 47160), (655, 44136), (786, 36780), (1048, 27585), (1179, 24520), (1226, 23580), (1310, 22068), (1572, 18390), (1839, 15720), (1965, 14712), (2358, 12260), (2452, 11790), (2620, 11034), (3065, 9432), (3144, 9195), (3678, 7860), (3930, 7356), (4716, 6130), (4904, 5895), (5240, 5517)]