72945180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 288

約数和(自身を含む): 291432960

約数和(自身を除く): 218487780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 28, 30, 33, 35, 36, 38, 42, 44, 45, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 110, 114, 126, 132, 133, 140, 154, 165, 171, 180, 190, 198, 209, 210, 220, 228, 231, 252, 266, 277, 285, 308, 315, 330, 342, 380, 385, 396, 399, 418, 420, 462, 495, 532, 554, 570, 627, 630, 660, 665, 684, 693, 770, 798, 831, 836, 855, 924, 990, 1045, 1108, 1140, 1155, 1197, 1254, 1260, 1330, 1385, 1386, 1463, 1540, 1596, 1662, 1710, 1881, 1939, 1980, 1995, 2090, 2310, 2394, 2493, 2508, 2660, 2770, 2772, 2926, 3047, 3135, 3324, 3420, 3465, 3762, 3878, 3990, 4155, 4180, 4389, 4620, 4788, 4986, 5263, 5540, 5817, 5852, 5985, 6094, 6270, 6930, 7315, 7524, 7756, 7980, 8310, 8778, 9141, 9405, 9695, 9972, 10526, 11634, 11970, 12188, 12465, 12540, 13167, 13860, 14630, 15235, 15789, 16620, 17451, 17556, 18282, 18810, 19390, 21052, 21329, 21945, 23268, 23940, 24930, 26315, 26334, 27423, 29085, 29260, 30470, 31578, 34902, 36564, 36841, 37620, 38780, 42658, 43890, 45705, 47367, 49860, 52630, 52668, 54846, 57893, 58170, 60940, 63156, 63987, 65835, 69804, 73682, 78945, 85316, 87255, 87780, 91410, 94734, 105260, 106645, 109692, 110523, 115786, 116340, 127974, 131670, 137115, 147364, 157890, 173679, 174510, 182820, 184205, 189468, 191961, 213290, 221046, 231572, 236835, 255948, 263340, 274230, 289465, 315780, 319935, 331569, 347358, 349020, 368410, 383922, 405251, 426580, 442092, 473670, 521037, 548460, 552615, 578930, 639870, 663138, 694716, 736820, 767844, 810502, 868395, 947340, 959805, 1042074, 1105230, 1157860, 1215753, 1279740, 1326276, 1621004, 1657845, 1736790, 1919610, 2026255, 2084148, 2210460, 2431506, 2605185, 3315690, 3473580, 3647259, 3839220, 4052510, 4863012, 5210370, 6078765, 6631380, 7294518, 8105020, 10420740, 12157530, 14589036, 18236295, 24315060, 36472590, 72945180]

約数ペア:

[(1, 72945180), (2, 36472590), (3, 24315060), (4, 18236295), (5, 14589036), (6, 12157530), (7, 10420740), (9, 8105020), (10, 7294518), (11, 6631380), (12, 6078765), (14, 5210370), (15, 4863012), (18, 4052510), (19, 3839220), (20, 3647259), (21, 3473580), (22, 3315690), (28, 2605185), (30, 2431506), (33, 2210460), (35, 2084148), (36, 2026255), (38, 1919610), (42, 1736790), (44, 1657845), (45, 1621004), (55, 1326276), (57, 1279740), (60, 1215753), (63, 1157860), (66, 1105230), (70, 1042074), (76, 959805), (77, 947340), (84, 868395), (90, 810502), (95, 767844), (99, 736820), (105, 694716), (110, 663138), (114, 639870), (126, 578930), (132, 552615), (133, 548460), (140, 521037), (154, 473670), (165, 442092), (171, 426580), (180, 405251), (190, 383922), (198, 368410), (209, 349020), (210, 347358), (220, 331569), (228, 319935), (231, 315780), (252, 289465), (266, 274230), (277, 263340), (285, 255948), (308, 236835), (315, 231572), (330, 221046), (342, 213290), (380, 191961), (385, 189468), (396, 184205), (399, 182820), (418, 174510), (420, 173679), (462, 157890), (495, 147364), (532, 137115), (554, 131670), (570, 127974), (627, 116340), (630, 115786), (660, 110523), (665, 109692), (684, 106645), (693, 105260), (770, 94734), (798, 91410), (831, 87780), (836, 87255), (855, 85316), (924, 78945), (990, 73682), (1045, 69804), (1108, 65835), (1140, 63987), (1155, 63156), (1197, 60940), (1254, 58170), (1260, 57893), (1330, 54846), (1385, 52668), (1386, 52630), (1463, 49860), (1540, 47367), (1596, 45705), (1662, 43890), (1710, 42658), (1881, 38780), (1939, 37620), (1980, 36841), (1995, 36564), (2090, 34902), (2310, 31578), (2394, 30470), (2493, 29260), (2508, 29085), (2660, 27423), (2770, 26334), (2772, 26315), (2926, 24930), (3047, 23940), (3135, 23268), (3324, 21945), (3420, 21329), (3465, 21052), (3762, 19390), (3878, 18810), (3990, 18282), (4155, 17556), (4180, 17451), (4389, 16620), (4620, 15789), (4788, 15235), (4986, 14630), (5263, 13860), (5540, 13167), (5817, 12540), (5852, 12465), (5985, 12188), (6094, 11970), (6270, 11634), (6930, 10526), (7315, 9972), (7524, 9695), (7756, 9405), (7980, 9141), (8310, 8778)]