72131220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 288

約数和(自身を含む): 276756480

約数和(自身を除く): 204625260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 23, 28, 30, 35, 36, 38, 42, 45, 46, 57, 60, 63, 69, 70, 76, 84, 90, 92, 95, 105, 114, 115, 126, 131, 133, 138, 140, 161, 171, 180, 190, 207, 210, 228, 230, 252, 262, 266, 276, 285, 315, 322, 342, 345, 380, 393, 399, 414, 420, 437, 460, 483, 524, 532, 570, 630, 644, 655, 665, 684, 690, 786, 798, 805, 828, 855, 874, 917, 966, 1035, 1140, 1179, 1197, 1260, 1310, 1311, 1330, 1380, 1449, 1572, 1596, 1610, 1710, 1748, 1834, 1932, 1965, 1995, 2070, 2185, 2358, 2394, 2415, 2489, 2620, 2622, 2660, 2751, 2898, 3013, 3059, 3220, 3420, 3668, 3930, 3933, 3990, 4140, 4370, 4585, 4716, 4788, 4830, 4978, 5244, 5502, 5796, 5895, 5985, 6026, 6118, 6555, 7245, 7467, 7860, 7866, 7980, 8253, 8740, 9039, 9170, 9177, 9660, 9956, 11004, 11790, 11970, 12052, 12236, 12445, 13110, 13755, 14490, 14934, 15065, 15295, 15732, 16506, 17423, 18078, 18340, 18354, 19665, 21091, 22401, 23580, 23940, 24890, 26220, 27117, 27510, 27531, 28980, 29868, 30130, 30590, 33012, 34846, 36156, 36708, 37335, 39330, 41265, 42182, 44802, 45195, 45885, 49780, 52269, 54234, 55020, 55062, 57247, 60260, 61180, 63273, 69692, 74670, 78660, 82530, 84364, 87115, 89604, 90390, 91770, 104538, 105455, 108468, 110124, 112005, 114494, 126546, 135585, 137655, 149340, 156807, 165060, 171741, 174230, 180780, 183540, 189819, 209076, 210910, 224010, 228988, 253092, 261345, 271170, 275310, 286235, 313614, 316365, 343482, 348460, 379638, 400729, 421820, 448020, 515223, 522690, 542340, 550620, 572470, 627228, 632730, 686964, 759276, 784035, 801458, 858705, 949095, 1030446, 1045380, 1144940, 1202187, 1265460, 1568070, 1602916, 1717410, 1898190, 2003645, 2060892, 2404374, 2576115, 3136140, 3434820, 3606561, 3796380, 4007290, 4808748, 5152230, 6010935, 7213122, 8014580, 10304460, 12021870, 14426244, 18032805, 24043740, 36065610, 72131220]

約数ペア:

[(1, 72131220), (2, 36065610), (3, 24043740), (4, 18032805), (5, 14426244), (6, 12021870), (7, 10304460), (9, 8014580), (10, 7213122), (12, 6010935), (14, 5152230), (15, 4808748), (18, 4007290), (19, 3796380), (20, 3606561), (21, 3434820), (23, 3136140), (28, 2576115), (30, 2404374), (35, 2060892), (36, 2003645), (38, 1898190), (42, 1717410), (45, 1602916), (46, 1568070), (57, 1265460), (60, 1202187), (63, 1144940), (69, 1045380), (70, 1030446), (76, 949095), (84, 858705), (90, 801458), (92, 784035), (95, 759276), (105, 686964), (114, 632730), (115, 627228), (126, 572470), (131, 550620), (133, 542340), (138, 522690), (140, 515223), (161, 448020), (171, 421820), (180, 400729), (190, 379638), (207, 348460), (210, 343482), (228, 316365), (230, 313614), (252, 286235), (262, 275310), (266, 271170), (276, 261345), (285, 253092), (315, 228988), (322, 224010), (342, 210910), (345, 209076), (380, 189819), (393, 183540), (399, 180780), (414, 174230), (420, 171741), (437, 165060), (460, 156807), (483, 149340), (524, 137655), (532, 135585), (570, 126546), (630, 114494), (644, 112005), (655, 110124), (665, 108468), (684, 105455), (690, 104538), (786, 91770), (798, 90390), (805, 89604), (828, 87115), (855, 84364), (874, 82530), (917, 78660), (966, 74670), (1035, 69692), (1140, 63273), (1179, 61180), (1197, 60260), (1260, 57247), (1310, 55062), (1311, 55020), (1330, 54234), (1380, 52269), (1449, 49780), (1572, 45885), (1596, 45195), (1610, 44802), (1710, 42182), (1748, 41265), (1834, 39330), (1932, 37335), (1965, 36708), (1995, 36156), (2070, 34846), (2185, 33012), (2358, 30590), (2394, 30130), (2415, 29868), (2489, 28980), (2620, 27531), (2622, 27510), (2660, 27117), (2751, 26220), (2898, 24890), (3013, 23940), (3059, 23580), (3220, 22401), (3420, 21091), (3668, 19665), (3930, 18354), (3933, 18340), (3990, 18078), (4140, 17423), (4370, 16506), (4585, 15732), (4716, 15295), (4788, 15065), (4830, 14934), (4978, 14490), (5244, 13755), (5502, 13110), (5796, 12445), (5895, 12236), (5985, 12052), (6026, 11970), (6118, 11790), (6555, 11004), (7245, 9956), (7467, 9660), (7860, 9177), (7866, 9170), (7980, 9039), (8253, 8740)]