1306302800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 240

約数和(自身を含む): 3614959104

約数和(自身を除く): 2308656304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 61, 62, 80, 88, 100, 110, 122, 124, 155, 157, 176, 200, 220, 244, 248, 275, 305, 310, 314, 341, 400, 440, 488, 496, 550, 610, 620, 628, 671, 682, 775, 785, 880, 976, 1100, 1220, 1240, 1256, 1342, 1364, 1525, 1550, 1570, 1705, 1727, 1891, 2200, 2440, 2480, 2512, 2684, 2728, 3050, 3100, 3140, 3355, 3410, 3454, 3782, 3925, 4400, 4867, 4880, 5368, 5456, 6100, 6200, 6280, 6710, 6820, 6908, 7564, 7850, 8525, 8635, 9455, 9577, 9734, 10736, 12200, 12400, 12560, 13420, 13640, 13816, 15128, 15700, 16775, 17050, 17270, 18910, 19154, 19468, 20801, 24335, 24400, 26840, 27280, 27632, 30256, 31400, 33550, 34100, 34540, 37820, 38308, 38936, 41602, 43175, 47275, 47885, 48670, 53537, 53680, 62800, 67100, 68200, 69080, 75640, 76616, 77872, 83204, 86350, 94550, 95770, 97340, 104005, 105347, 107074, 121675, 134200, 136400, 138160, 151280, 153232, 166408, 172700, 189100, 191540, 194680, 208010, 210694, 214148, 239425, 243350, 267685, 268400, 296887, 332816, 345400, 378200, 383080, 389360, 416020, 421388, 428296, 478850, 486700, 520025, 526735, 535370, 593774, 690800, 756400, 766160, 832040, 842776, 856592, 957700, 973400, 1040050, 1053470, 1070740, 1187548, 1338425, 1484435, 1664080, 1685552, 1915400, 1946800, 2080100, 2106940, 2141480, 2375096, 2633675, 2676850, 2968870, 3265757, 3830800, 4160200, 4213880, 4282960, 4750192, 5267350, 5353700, 5937740, 6531514, 7422175, 8320400, 8427760, 10534700, 10707400, 11875480, 13063028, 14844350, 16328785, 21069400, 21414800, 23750960, 26126056, 29688700, 32657570, 42138800, 52252112, 59377400, 65315140, 81643925, 118754800, 130630280, 163287850, 261260560, 326575700, 653151400, 1306302800]

約数ペア:

[(1, 1306302800), (2, 653151400), (4, 326575700), (5, 261260560), (8, 163287850), (10, 130630280), (11, 118754800), (16, 81643925), (20, 65315140), (22, 59377400), (25, 52252112), (31, 42138800), (40, 32657570), (44, 29688700), (50, 26126056), (55, 23750960), (61, 21414800), (62, 21069400), (80, 16328785), (88, 14844350), (100, 13063028), (110, 11875480), (122, 10707400), (124, 10534700), (155, 8427760), (157, 8320400), (176, 7422175), (200, 6531514), (220, 5937740), (244, 5353700), (248, 5267350), (275, 4750192), (305, 4282960), (310, 4213880), (314, 4160200), (341, 3830800), (400, 3265757), (440, 2968870), (488, 2676850), (496, 2633675), (550, 2375096), (610, 2141480), (620, 2106940), (628, 2080100), (671, 1946800), (682, 1915400), (775, 1685552), (785, 1664080), (880, 1484435), (976, 1338425), (1100, 1187548), (1220, 1070740), (1240, 1053470), (1256, 1040050), (1342, 973400), (1364, 957700), (1525, 856592), (1550, 842776), (1570, 832040), (1705, 766160), (1727, 756400), (1891, 690800), (2200, 593774), (2440, 535370), (2480, 526735), (2512, 520025), (2684, 486700), (2728, 478850), (3050, 428296), (3100, 421388), (3140, 416020), (3355, 389360), (3410, 383080), (3454, 378200), (3782, 345400), (3925, 332816), (4400, 296887), (4867, 268400), (4880, 267685), (5368, 243350), (5456, 239425), (6100, 214148), (6200, 210694), (6280, 208010), (6710, 194680), (6820, 191540), (6908, 189100), (7564, 172700), (7850, 166408), (8525, 153232), (8635, 151280), (9455, 138160), (9577, 136400), (9734, 134200), (10736, 121675), (12200, 107074), (12400, 105347), (12560, 104005), (13420, 97340), (13640, 95770), (13816, 94550), (15128, 86350), (15700, 83204), (16775, 77872), (17050, 76616), (17270, 75640), (18910, 69080), (19154, 68200), (19468, 67100), (20801, 62800), (24335, 53680), (24400, 53537), (26840, 48670), (27280, 47885), (27632, 47275), (30256, 43175), (31400, 41602), (33550, 38936), (34100, 38308), (34540, 37820)]