680147440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 1974516480

約数和(自身を除く): 1294369040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 49, 56, 58, 62, 70, 80, 98, 112, 116, 124, 140, 145, 155, 193, 196, 203, 217, 232, 245, 248, 280, 290, 310, 386, 392, 406, 434, 464, 490, 496, 560, 580, 620, 772, 784, 812, 868, 899, 965, 980, 1015, 1085, 1160, 1240, 1351, 1421, 1519, 1544, 1624, 1736, 1798, 1930, 1960, 2030, 2170, 2320, 2480, 2702, 2842, 3038, 3088, 3248, 3472, 3596, 3860, 3920, 4060, 4340, 4495, 5404, 5597, 5684, 5983, 6076, 6293, 6755, 7105, 7192, 7595, 7720, 8120, 8680, 8990, 9457, 10808, 11194, 11368, 11966, 12152, 12586, 13510, 14210, 14384, 15190, 15440, 16240, 17360, 17980, 18914, 21616, 22388, 22736, 23932, 24304, 25172, 27020, 27985, 28420, 29915, 30380, 31465, 35960, 37828, 39179, 41881, 44051, 44776, 47285, 47864, 50344, 54040, 55970, 56840, 59830, 60760, 62930, 71920, 75656, 78358, 83762, 88102, 89552, 94570, 95728, 100688, 108080, 111940, 113680, 119660, 121520, 125860, 151312, 156716, 167524, 173507, 176204, 189140, 195895, 209405, 220255, 223880, 239320, 251720, 274253, 293167, 313432, 335048, 347014, 352408, 378280, 391790, 418810, 440510, 447760, 478640, 503440, 548506, 586334, 626864, 670096, 694028, 704816, 756560, 783580, 837620, 867535, 881020, 1097012, 1172668, 1214549, 1371265, 1388056, 1465835, 1567160, 1675240, 1735070, 1762040, 2194024, 2345336, 2429098, 2742530, 2776112, 2931670, 3134320, 3350480, 3470140, 3524080, 4388048, 4690672, 4858196, 5485060, 5863340, 6072745, 6940280, 8501843, 9716392, 10970120, 11726680, 12145490, 13880560, 17003686, 19432784, 21940240, 23453360, 24290980, 34007372, 42509215, 48581960, 68014744, 85018430, 97163920, 136029488, 170036860, 340073720, 680147440]

約数ペア:

[(1, 680147440), (2, 340073720), (4, 170036860), (5, 136029488), (7, 97163920), (8, 85018430), (10, 68014744), (14, 48581960), (16, 42509215), (20, 34007372), (28, 24290980), (29, 23453360), (31, 21940240), (35, 19432784), (40, 17003686), (49, 13880560), (56, 12145490), (58, 11726680), (62, 10970120), (70, 9716392), (80, 8501843), (98, 6940280), (112, 6072745), (116, 5863340), (124, 5485060), (140, 4858196), (145, 4690672), (155, 4388048), (193, 3524080), (196, 3470140), (203, 3350480), (217, 3134320), (232, 2931670), (245, 2776112), (248, 2742530), (280, 2429098), (290, 2345336), (310, 2194024), (386, 1762040), (392, 1735070), (406, 1675240), (434, 1567160), (464, 1465835), (490, 1388056), (496, 1371265), (560, 1214549), (580, 1172668), (620, 1097012), (772, 881020), (784, 867535), (812, 837620), (868, 783580), (899, 756560), (965, 704816), (980, 694028), (1015, 670096), (1085, 626864), (1160, 586334), (1240, 548506), (1351, 503440), (1421, 478640), (1519, 447760), (1544, 440510), (1624, 418810), (1736, 391790), (1798, 378280), (1930, 352408), (1960, 347014), (2030, 335048), (2170, 313432), (2320, 293167), (2480, 274253), (2702, 251720), (2842, 239320), (3038, 223880), (3088, 220255), (3248, 209405), (3472, 195895), (3596, 189140), (3860, 176204), (3920, 173507), (4060, 167524), (4340, 156716), (4495, 151312), (5404, 125860), (5597, 121520), (5684, 119660), (5983, 113680), (6076, 111940), (6293, 108080), (6755, 100688), (7105, 95728), (7192, 94570), (7595, 89552), (7720, 88102), (8120, 83762), (8680, 78358), (8990, 75656), (9457, 71920), (10808, 62930), (11194, 60760), (11368, 59830), (11966, 56840), (12152, 55970), (12586, 54040), (13510, 50344), (14210, 47864), (14384, 47285), (15190, 44776), (15440, 44051), (16240, 41881), (17360, 39179), (17980, 37828), (18914, 35960), (21616, 31465), (22388, 30380), (22736, 29915), (23932, 28420), (24304, 27985), (25172, 27020)]