16812720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1267

約数の個数: 120

約数和(自身を含む): 59482800

約数和(自身を除く): 42670080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1229, 1368, 1520, 1710, 2280, 2458, 2736, 3420, 3687, 4560, 4916, 6145, 6840, 7374, 9832, 11061, 12290, 13680, 14748, 18435, 19664, 22122, 23351, 24580, 29496, 36870, 44244, 46702, 49160, 55305, 58992, 70053, 73740, 88488, 93404, 98320, 110610, 116755, 140106, 147480, 176976, 186808, 210159, 221220, 233510, 280212, 294960, 350265, 373616, 420318, 442440, 467020, 560424, 700530, 840636, 884880, 934040, 1050795, 1120848, 1401060, 1681272, 1868080, 2101590, 2802120, 3362544, 4203180, 5604240, 8406360, 16812720]

約数ペア:

[(1, 16812720), (2, 8406360), (3, 5604240), (4, 4203180), (5, 3362544), (6, 2802120), (8, 2101590), (9, 1868080), (10, 1681272), (12, 1401060), (15, 1120848), (16, 1050795), (18, 934040), (19, 884880), (20, 840636), (24, 700530), (30, 560424), (36, 467020), (38, 442440), (40, 420318), (45, 373616), (48, 350265), (57, 294960), (60, 280212), (72, 233510), (76, 221220), (80, 210159), (90, 186808), (95, 176976), (114, 147480), (120, 140106), (144, 116755), (152, 110610), (171, 98320), (180, 93404), (190, 88488), (228, 73740), (240, 70053), (285, 58992), (304, 55305), (342, 49160), (360, 46702), (380, 44244), (456, 36870), (570, 29496), (684, 24580), (720, 23351), (760, 22122), (855, 19664), (912, 18435), (1140, 14748), (1229, 13680), (1368, 12290), (1520, 11061), (1710, 9832), (2280, 7374), (2458, 6840), (2736, 6145), (3420, 4916), (3687, 4560)]