128561220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37591}}^1$

素因数の和:37625

約数の個数: 72

約数和(自身を含む): 410504640

約数和(自身を除く): 281943420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 37591, 75182, 112773, 150364, 187955, 225546, 338319, 375910, 451092, 563865, 676638, 714229, 751820, 1127730, 1353276, 1428458, 1691595, 2142687, 2255460, 2856916, 3383190, 3571145, 4285374, 6428061, 6766380, 7142290, 8570748, 10713435, 12856122, 14284580, 21426870, 25712244, 32140305, 42853740, 64280610, 128561220]

約数ペア:

[(1, 128561220), (2, 64280610), (3, 42853740), (4, 32140305), (5, 25712244), (6, 21426870), (9, 14284580), (10, 12856122), (12, 10713435), (15, 8570748), (18, 7142290), (19, 6766380), (20, 6428061), (30, 4285374), (36, 3571145), (38, 3383190), (45, 2856916), (57, 2255460), (60, 2142687), (76, 1691595), (90, 1428458), (95, 1353276), (114, 1127730), (171, 751820), (180, 714229), (190, 676638), (228, 563865), (285, 451092), (342, 375910), (380, 338319), (570, 225546), (684, 187955), (855, 150364), (1140, 112773), (1710, 75182), (3420, 37591)]