640175250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 256

約数和(自身を含む): 1932263424

約数和(自身を除く): 1292088174

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 47, 50, 55, 65, 66, 75, 78, 94, 110, 125, 127, 130, 141, 143, 150, 165, 195, 235, 250, 254, 275, 282, 286, 325, 330, 375, 381, 390, 429, 470, 517, 550, 611, 635, 650, 705, 715, 750, 762, 825, 858, 975, 1034, 1175, 1222, 1270, 1375, 1397, 1410, 1430, 1551, 1625, 1650, 1651, 1833, 1905, 1950, 2145, 2350, 2585, 2750, 2794, 3055, 3102, 3175, 3250, 3302, 3525, 3575, 3666, 3810, 4125, 4191, 4290, 4875, 4953, 5170, 5875, 5969, 6110, 6350, 6721, 6985, 7050, 7150, 7755, 8250, 8255, 8382, 9165, 9525, 9750, 9906, 10725, 11750, 11938, 12925, 13442, 13970, 15275, 15510, 15875, 16510, 17625, 17875, 17907, 18161, 18330, 19050, 20163, 20955, 21450, 24765, 25850, 29845, 30550, 31750, 33605, 34925, 35250, 35750, 35814, 36322, 38775, 40326, 41275, 41910, 45825, 47625, 49530, 53625, 54483, 59690, 64625, 65659, 67210, 69850, 76375, 77550, 77597, 82550, 89535, 90805, 91650, 95250, 100815, 104775, 107250, 108966, 123825, 129250, 131318, 149225, 152750, 155194, 168025, 174625, 179070, 181610, 193875, 196977, 201630, 206375, 209550, 229125, 232791, 247650, 272415, 298450, 328295, 336050, 349250, 387750, 387985, 393954, 412750, 447675, 454025, 458250, 465582, 504075, 523875, 544830, 619125, 656590, 746125, 775970, 840125, 853567, 895350, 908050, 984885, 1008150, 1047750, 1163955, 1238250, 1362075, 1492250, 1641475, 1680250, 1707134, 1939925, 1969770, 2238375, 2270125, 2327910, 2520375, 2560701, 2724150, 3282950, 3879850, 4267835, 4476750, 4540250, 4924425, 5040750, 5121402, 5819775, 6810375, 8207375, 8535670, 9699625, 9848850, 11639550, 12803505, 13620750, 16414750, 19399250, 21339175, 24622125, 25607010, 29098875, 42678350, 49244250, 58197750, 64017525, 106695875, 128035050, 213391750, 320087625, 640175250]

約数ペア:

[(1, 640175250), (2, 320087625), (3, 213391750), (5, 128035050), (6, 106695875), (10, 64017525), (11, 58197750), (13, 49244250), (15, 42678350), (22, 29098875), (25, 25607010), (26, 24622125), (30, 21339175), (33, 19399250), (39, 16414750), (47, 13620750), (50, 12803505), (55, 11639550), (65, 9848850), (66, 9699625), (75, 8535670), (78, 8207375), (94, 6810375), (110, 5819775), (125, 5121402), (127, 5040750), (130, 4924425), (141, 4540250), (143, 4476750), (150, 4267835), (165, 3879850), (195, 3282950), (235, 2724150), (250, 2560701), (254, 2520375), (275, 2327910), (282, 2270125), (286, 2238375), (325, 1969770), (330, 1939925), (375, 1707134), (381, 1680250), (390, 1641475), (429, 1492250), (470, 1362075), (517, 1238250), (550, 1163955), (611, 1047750), (635, 1008150), (650, 984885), (705, 908050), (715, 895350), (750, 853567), (762, 840125), (825, 775970), (858, 746125), (975, 656590), (1034, 619125), (1175, 544830), (1222, 523875), (1270, 504075), (1375, 465582), (1397, 458250), (1410, 454025), (1430, 447675), (1551, 412750), (1625, 393954), (1650, 387985), (1651, 387750), (1833, 349250), (1905, 336050), (1950, 328295), (2145, 298450), (2350, 272415), (2585, 247650), (2750, 232791), (2794, 229125), (3055, 209550), (3102, 206375), (3175, 201630), (3250, 196977), (3302, 193875), (3525, 181610), (3575, 179070), (3666, 174625), (3810, 168025), (4125, 155194), (4191, 152750), (4290, 149225), (4875, 131318), (4953, 129250), (5170, 123825), (5875, 108966), (5969, 107250), (6110, 104775), (6350, 100815), (6721, 95250), (6985, 91650), (7050, 90805), (7150, 89535), (7755, 82550), (8250, 77597), (8255, 77550), (8382, 76375), (9165, 69850), (9525, 67210), (9750, 65659), (9906, 64625), (10725, 59690), (11750, 54483), (11938, 53625), (12925, 49530), (13442, 47625), (13970, 45825), (15275, 41910), (15510, 41275), (15875, 40326), (16510, 38775), (17625, 36322), (17875, 35814), (17907, 35750), (18161, 35250), (18330, 34925), (19050, 33605), (20163, 31750), (20955, 30550), (21450, 29845), (24765, 25850)]