320722740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 240

約数和(自身を含む): 1101655632

約数和(自身を除く): 780932892

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, 90, 97, 108, 117, 130, 135, 156, 157, 162, 180, 194, 195, 234, 260, 270, 291, 314, 324, 351, 388, 390, 405, 468, 471, 485, 540, 582, 585, 628, 702, 780, 785, 810, 873, 942, 970, 1053, 1164, 1170, 1261, 1404, 1413, 1455, 1570, 1620, 1746, 1755, 1884, 1940, 2041, 2106, 2340, 2355, 2522, 2619, 2826, 2910, 3140, 3492, 3510, 3783, 4082, 4212, 4239, 4365, 4710, 5044, 5238, 5265, 5652, 5820, 6123, 6305, 7020, 7065, 7566, 7857, 8164, 8478, 8730, 9420, 10205, 10476, 10530, 11349, 12246, 12610, 12717, 13095, 14130, 15132, 15229, 15714, 16956, 17460, 18369, 18915, 20410, 21060, 21195, 22698, 24492, 25220, 25434, 26190, 28260, 30458, 30615, 31428, 34047, 36738, 37830, 39285, 40820, 42390, 45396, 45687, 50868, 52380, 55107, 56745, 60916, 61230, 63585, 68094, 73476, 75660, 76145, 78570, 84780, 91374, 91845, 102141, 110214, 113490, 122460, 127170, 136188, 137061, 152290, 157140, 165321, 170235, 182748, 183690, 197977, 204282, 220428, 226980, 228435, 254340, 274122, 275535, 304580, 330642, 340470, 367380, 395954, 408564, 411183, 456870, 510705, 548244, 551070, 593931, 661284, 680940, 685305, 791908, 822366, 826605, 913740, 989885, 1021410, 1102140, 1187862, 1233549, 1370610, 1644732, 1653210, 1781793, 1979770, 2042820, 2055915, 2375724, 2467098, 2741220, 2969655, 3306420, 3563586, 3959540, 4111830, 4934196, 5345379, 5939310, 6167745, 7127172, 8223660, 8908965, 10690758, 11878620, 12335490, 16036137, 17817930, 21381516, 24670980, 26726895, 32072274, 35635860, 53453790, 64144548, 80180685, 106907580, 160361370, 320722740]

約数ペア:

[(1, 320722740), (2, 160361370), (3, 106907580), (4, 80180685), (5, 64144548), (6, 53453790), (9, 35635860), (10, 32072274), (12, 26726895), (13, 24670980), (15, 21381516), (18, 17817930), (20, 16036137), (26, 12335490), (27, 11878620), (30, 10690758), (36, 8908965), (39, 8223660), (45, 7127172), (52, 6167745), (54, 5939310), (60, 5345379), (65, 4934196), (78, 4111830), (81, 3959540), (90, 3563586), (97, 3306420), (108, 2969655), (117, 2741220), (130, 2467098), (135, 2375724), (156, 2055915), (157, 2042820), (162, 1979770), (180, 1781793), (194, 1653210), (195, 1644732), (234, 1370610), (260, 1233549), (270, 1187862), (291, 1102140), (314, 1021410), (324, 989885), (351, 913740), (388, 826605), (390, 822366), (405, 791908), (468, 685305), (471, 680940), (485, 661284), (540, 593931), (582, 551070), (585, 548244), (628, 510705), (702, 456870), (780, 411183), (785, 408564), (810, 395954), (873, 367380), (942, 340470), (970, 330642), (1053, 304580), (1164, 275535), (1170, 274122), (1261, 254340), (1404, 228435), (1413, 226980), (1455, 220428), (1570, 204282), (1620, 197977), (1746, 183690), (1755, 182748), (1884, 170235), (1940, 165321), (2041, 157140), (2106, 152290), (2340, 137061), (2355, 136188), (2522, 127170), (2619, 122460), (2826, 113490), (2910, 110214), (3140, 102141), (3492, 91845), (3510, 91374), (3783, 84780), (4082, 78570), (4212, 76145), (4239, 75660), (4365, 73476), (4710, 68094), (5044, 63585), (5238, 61230), (5265, 60916), (5652, 56745), (5820, 55107), (6123, 52380), (6305, 50868), (7020, 45687), (7065, 45396), (7566, 42390), (7857, 40820), (8164, 39285), (8478, 37830), (8730, 36738), (9420, 34047), (10205, 31428), (10476, 30615), (10530, 30458), (11349, 28260), (12246, 26190), (12610, 25434), (12717, 25220), (13095, 24492), (14130, 22698), (15132, 21195), (15229, 21060), (15714, 20410), (16956, 18915), (17460, 18369)]