72171720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 251596800

約数和(自身を除く): 179425080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 31, 36, 40, 45, 58, 60, 62, 72, 87, 90, 93, 116, 120, 124, 145, 155, 174, 180, 186, 223, 232, 248, 261, 279, 290, 310, 348, 360, 372, 435, 446, 465, 522, 558, 580, 620, 669, 696, 744, 870, 892, 899, 930, 1044, 1115, 1116, 1160, 1240, 1305, 1338, 1395, 1740, 1784, 1798, 1860, 2007, 2088, 2230, 2232, 2610, 2676, 2697, 2790, 3345, 3480, 3596, 3720, 4014, 4460, 4495, 5220, 5352, 5394, 5580, 6467, 6690, 6913, 7192, 8028, 8091, 8920, 8990, 10035, 10440, 10788, 11160, 12934, 13380, 13485, 13826, 16056, 16182, 17980, 19401, 20070, 20739, 21576, 25868, 26760, 26970, 27652, 32335, 32364, 34565, 35960, 38802, 40140, 40455, 41478, 51736, 53940, 55304, 58203, 62217, 64670, 64728, 69130, 77604, 80280, 80910, 82956, 97005, 103695, 107880, 116406, 124434, 129340, 138260, 155208, 161820, 165912, 194010, 200477, 207390, 232812, 248868, 258680, 276520, 291015, 311085, 323640, 388020, 400954, 414780, 465624, 497736, 582030, 601431, 622170, 776040, 801908, 829560, 1002385, 1164060, 1202862, 1244340, 1603816, 1804293, 2004770, 2328120, 2405724, 2488680, 3007155, 3608586, 4009540, 4811448, 6014310, 7217172, 8019080, 9021465, 12028620, 14434344, 18042930, 24057240, 36085860, 72171720]

約数ペア:

[(1, 72171720), (2, 36085860), (3, 24057240), (4, 18042930), (5, 14434344), (6, 12028620), (8, 9021465), (9, 8019080), (10, 7217172), (12, 6014310), (15, 4811448), (18, 4009540), (20, 3608586), (24, 3007155), (29, 2488680), (30, 2405724), (31, 2328120), (36, 2004770), (40, 1804293), (45, 1603816), (58, 1244340), (60, 1202862), (62, 1164060), (72, 1002385), (87, 829560), (90, 801908), (93, 776040), (116, 622170), (120, 601431), (124, 582030), (145, 497736), (155, 465624), (174, 414780), (180, 400954), (186, 388020), (223, 323640), (232, 311085), (248, 291015), (261, 276520), (279, 258680), (290, 248868), (310, 232812), (348, 207390), (360, 200477), (372, 194010), (435, 165912), (446, 161820), (465, 155208), (522, 138260), (558, 129340), (580, 124434), (620, 116406), (669, 107880), (696, 103695), (744, 97005), (870, 82956), (892, 80910), (899, 80280), (930, 77604), (1044, 69130), (1115, 64728), (1116, 64670), (1160, 62217), (1240, 58203), (1305, 55304), (1338, 53940), (1395, 51736), (1740, 41478), (1784, 40455), (1798, 40140), (1860, 38802), (2007, 35960), (2088, 34565), (2230, 32364), (2232, 32335), (2610, 27652), (2676, 26970), (2697, 26760), (2790, 25868), (3345, 21576), (3480, 20739), (3596, 20070), (3720, 19401), (4014, 17980), (4460, 16182), (4495, 16056), (5220, 13826), (5352, 13485), (5394, 13380), (5580, 12934), (6467, 11160), (6690, 10788), (6913, 10440), (7192, 10035), (8028, 8990), (8091, 8920)]