89796780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 284662560

約数和(自身を除く): 194865780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 97, 111, 139, 148, 180, 185, 194, 222, 278, 291, 333, 370, 388, 417, 444, 485, 555, 556, 582, 666, 695, 740, 834, 873, 970, 1110, 1164, 1251, 1332, 1390, 1455, 1665, 1668, 1746, 1940, 2085, 2220, 2502, 2780, 2910, 3330, 3492, 3589, 4170, 4365, 5004, 5143, 5820, 6255, 6660, 7178, 8340, 8730, 10286, 10767, 12510, 13483, 14356, 15429, 17460, 17945, 20572, 21534, 25020, 25715, 26966, 30858, 32301, 35890, 40449, 43068, 46287, 51430, 53835, 53932, 61716, 64602, 67415, 71780, 77145, 80898, 92574, 102860, 107670, 121347, 129204, 134830, 154290, 161505, 161796, 185148, 202245, 215340, 231435, 242694, 269660, 308580, 323010, 404490, 462870, 485388, 498871, 606735, 646020, 808980, 925740, 997742, 1213470, 1496613, 1995484, 2426940, 2494355, 2993226, 4489839, 4988710, 5986452, 7483065, 8979678, 9977420, 14966130, 17959356, 22449195, 29932260, 44898390, 89796780]

約数ペア:

[(1, 89796780), (2, 44898390), (3, 29932260), (4, 22449195), (5, 17959356), (6, 14966130), (9, 9977420), (10, 8979678), (12, 7483065), (15, 5986452), (18, 4988710), (20, 4489839), (30, 2993226), (36, 2494355), (37, 2426940), (45, 1995484), (60, 1496613), (74, 1213470), (90, 997742), (97, 925740), (111, 808980), (139, 646020), (148, 606735), (180, 498871), (185, 485388), (194, 462870), (222, 404490), (278, 323010), (291, 308580), (333, 269660), (370, 242694), (388, 231435), (417, 215340), (444, 202245), (485, 185148), (555, 161796), (556, 161505), (582, 154290), (666, 134830), (695, 129204), (740, 121347), (834, 107670), (873, 102860), (970, 92574), (1110, 80898), (1164, 77145), (1251, 71780), (1332, 67415), (1390, 64602), (1455, 61716), (1665, 53932), (1668, 53835), (1746, 51430), (1940, 46287), (2085, 43068), (2220, 40449), (2502, 35890), (2780, 32301), (2910, 30858), (3330, 26966), (3492, 25715), (3589, 25020), (4170, 21534), (4365, 20572), (5004, 17945), (5143, 17460), (5820, 15429), (6255, 14356), (6660, 13483), (7178, 12510), (8340, 10767), (8730, 10286)]