247577220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6626

約数の個数: 144

約数和(自身を含む): 862505280

約数和(自身を除く): 614928060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3762, 4180, 6270, 6581, 7524, 9405, 12540, 13162, 18810, 19743, 26324, 32905, 37620, 39486, 59229, 65810, 72391, 78972, 98715, 118458, 125039, 131620, 144782, 197430, 217173, 236916, 250078, 289564, 296145, 361955, 375117, 394860, 434346, 500156, 592290, 625195, 651519, 723910, 750234, 868692, 1085865, 1125351, 1184580, 1250390, 1303038, 1375429, 1447820, 1500468, 1875585, 2171730, 2250702, 2500780, 2606076, 2750858, 3257595, 3751170, 4126287, 4343460, 4501404, 5501716, 5626755, 6515190, 6877145, 7502340, 8252574, 11253510, 12378861, 13030380, 13754290, 16505148, 20631435, 22507020, 24757722, 27508580, 41262870, 49515444, 61894305, 82525740, 123788610, 247577220]

約数ペア:

[(1, 247577220), (2, 123788610), (3, 82525740), (4, 61894305), (5, 49515444), (6, 41262870), (9, 27508580), (10, 24757722), (11, 22507020), (12, 20631435), (15, 16505148), (18, 13754290), (19, 13030380), (20, 12378861), (22, 11253510), (30, 8252574), (33, 7502340), (36, 6877145), (38, 6515190), (44, 5626755), (45, 5501716), (55, 4501404), (57, 4343460), (60, 4126287), (66, 3751170), (76, 3257595), (90, 2750858), (95, 2606076), (99, 2500780), (110, 2250702), (114, 2171730), (132, 1875585), (165, 1500468), (171, 1447820), (180, 1375429), (190, 1303038), (198, 1250390), (209, 1184580), (220, 1125351), (228, 1085865), (285, 868692), (330, 750234), (342, 723910), (380, 651519), (396, 625195), (418, 592290), (495, 500156), (570, 434346), (627, 394860), (660, 375117), (684, 361955), (836, 296145), (855, 289564), (990, 250078), (1045, 236916), (1140, 217173), (1254, 197430), (1710, 144782), (1881, 131620), (1980, 125039), (2090, 118458), (2508, 98715), (3135, 78972), (3420, 72391), (3762, 65810), (4180, 59229), (6270, 39486), (6581, 37620), (7524, 32905), (9405, 26324), (12540, 19743), (13162, 18810)]