181810980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 627525360

約数和(自身を除く): 445714380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 89, 90, 97, 108, 117, 130, 135, 156, 162, 178, 180, 194, 195, 234, 260, 267, 270, 291, 324, 351, 356, 388, 390, 405, 445, 468, 485, 534, 540, 582, 585, 702, 780, 801, 810, 873, 890, 970, 1053, 1068, 1157, 1164, 1170, 1261, 1335, 1404, 1455, 1602, 1620, 1746, 1755, 1780, 1940, 2106, 2314, 2340, 2403, 2522, 2619, 2670, 2910, 3204, 3471, 3492, 3510, 3783, 4005, 4212, 4365, 4628, 4806, 5044, 5238, 5265, 5340, 5785, 5820, 6305, 6942, 7020, 7209, 7566, 7857, 8010, 8633, 8730, 9612, 10413, 10476, 10530, 11349, 11570, 12015, 12610, 13095, 13884, 14418, 15132, 15714, 16020, 17266, 17355, 17460, 18915, 20826, 21060, 22698, 23140, 24030, 25220, 25899, 26190, 28836, 31239, 31428, 34047, 34532, 34710, 36045, 37830, 39285, 41652, 43165, 45396, 48060, 51798, 52065, 52380, 56745, 62478, 68094, 69420, 72090, 75660, 77697, 78570, 86330, 93717, 102141, 103596, 104130, 112229, 113490, 124956, 129495, 136188, 144180, 155394, 156195, 157140, 170235, 172660, 187434, 204282, 208260, 224458, 226980, 233091, 258990, 310788, 312390, 336687, 340470, 374868, 388485, 408564, 448916, 466182, 468585, 510705, 517980, 561145, 624780, 673374, 680940, 699273, 776970, 932364, 937170, 1010061, 1021410, 1122290, 1165455, 1346748, 1398546, 1553940, 1683435, 1874340, 2020122, 2042820, 2244580, 2330910, 2797092, 3030183, 3366870, 3496365, 4040244, 4661820, 5050305, 6060366, 6733740, 6992730, 9090549, 10100610, 12120732, 13985460, 15150915, 18181098, 20201220, 30301830, 36362196, 45452745, 60603660, 90905490, 181810980]

約数ペア:

[(1, 181810980), (2, 90905490), (3, 60603660), (4, 45452745), (5, 36362196), (6, 30301830), (9, 20201220), (10, 18181098), (12, 15150915), (13, 13985460), (15, 12120732), (18, 10100610), (20, 9090549), (26, 6992730), (27, 6733740), (30, 6060366), (36, 5050305), (39, 4661820), (45, 4040244), (52, 3496365), (54, 3366870), (60, 3030183), (65, 2797092), (78, 2330910), (81, 2244580), (89, 2042820), (90, 2020122), (97, 1874340), (108, 1683435), (117, 1553940), (130, 1398546), (135, 1346748), (156, 1165455), (162, 1122290), (178, 1021410), (180, 1010061), (194, 937170), (195, 932364), (234, 776970), (260, 699273), (267, 680940), (270, 673374), (291, 624780), (324, 561145), (351, 517980), (356, 510705), (388, 468585), (390, 466182), (405, 448916), (445, 408564), (468, 388485), (485, 374868), (534, 340470), (540, 336687), (582, 312390), (585, 310788), (702, 258990), (780, 233091), (801, 226980), (810, 224458), (873, 208260), (890, 204282), (970, 187434), (1053, 172660), (1068, 170235), (1157, 157140), (1164, 156195), (1170, 155394), (1261, 144180), (1335, 136188), (1404, 129495), (1455, 124956), (1602, 113490), (1620, 112229), (1746, 104130), (1755, 103596), (1780, 102141), (1940, 93717), (2106, 86330), (2314, 78570), (2340, 77697), (2403, 75660), (2522, 72090), (2619, 69420), (2670, 68094), (2910, 62478), (3204, 56745), (3471, 52380), (3492, 52065), (3510, 51798), (3783, 48060), (4005, 45396), (4212, 43165), (4365, 41652), (4628, 39285), (4806, 37830), (5044, 36045), (5238, 34710), (5265, 34532), (5340, 34047), (5785, 31428), (5820, 31239), (6305, 28836), (6942, 26190), (7020, 25899), (7209, 25220), (7566, 24030), (7857, 23140), (8010, 22698), (8633, 21060), (8730, 20826), (9612, 18915), (10413, 17460), (10476, 17355), (10530, 17266), (11349, 16020), (11570, 15714), (12015, 15132), (12610, 14418), (13095, 13884)]