216657760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 216

約数和(自身を含む): 612940608

約数和(自身を除く): 396282848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 121, 124, 152, 155, 160, 176, 190, 209, 220, 242, 248, 304, 310, 341, 352, 361, 380, 418, 440, 484, 496, 589, 605, 608, 620, 682, 722, 760, 836, 880, 968, 992, 1045, 1178, 1210, 1240, 1364, 1444, 1520, 1672, 1705, 1760, 1805, 1936, 2090, 2299, 2356, 2420, 2480, 2728, 2888, 2945, 3040, 3344, 3410, 3610, 3751, 3872, 3971, 4180, 4598, 4712, 4840, 4960, 5456, 5776, 5890, 6479, 6688, 6820, 7220, 7502, 7942, 8360, 9196, 9424, 9680, 10912, 11191, 11495, 11552, 11780, 12958, 13640, 14440, 15004, 15884, 16720, 18392, 18755, 18848, 19360, 19855, 22382, 22990, 23560, 25916, 27280, 28880, 30008, 31768, 32395, 33440, 36784, 37510, 39710, 43681, 44764, 45980, 47120, 51832, 54560, 55955, 57760, 60016, 63536, 64790, 71269, 73568, 75020, 79420, 87362, 89528, 91960, 94240, 103664, 111910, 120032, 123101, 127072, 129580, 142538, 150040, 158840, 174724, 179056, 183920, 207328, 218405, 223820, 246202, 259160, 285076, 300080, 317680, 349448, 356345, 358112, 367840, 436810, 447640, 492404, 518320, 570152, 600160, 615505, 635360, 698896, 712690, 873620, 895280, 984808, 1036640, 1140304, 1231010, 1354111, 1397792, 1425380, 1747240, 1790560, 1969616, 2280608, 2462020, 2708222, 2850760, 3494480, 3939232, 4924040, 5416444, 5701520, 6770555, 6988960, 9848080, 10832888, 11403040, 13541110, 19696160, 21665776, 27082220, 43331552, 54164440, 108328880, 216657760]

約数ペア:

[(1, 216657760), (2, 108328880), (4, 54164440), (5, 43331552), (8, 27082220), (10, 21665776), (11, 19696160), (16, 13541110), (19, 11403040), (20, 10832888), (22, 9848080), (31, 6988960), (32, 6770555), (38, 5701520), (40, 5416444), (44, 4924040), (55, 3939232), (62, 3494480), (76, 2850760), (80, 2708222), (88, 2462020), (95, 2280608), (110, 1969616), (121, 1790560), (124, 1747240), (152, 1425380), (155, 1397792), (160, 1354111), (176, 1231010), (190, 1140304), (209, 1036640), (220, 984808), (242, 895280), (248, 873620), (304, 712690), (310, 698896), (341, 635360), (352, 615505), (361, 600160), (380, 570152), (418, 518320), (440, 492404), (484, 447640), (496, 436810), (589, 367840), (605, 358112), (608, 356345), (620, 349448), (682, 317680), (722, 300080), (760, 285076), (836, 259160), (880, 246202), (968, 223820), (992, 218405), (1045, 207328), (1178, 183920), (1210, 179056), (1240, 174724), (1364, 158840), (1444, 150040), (1520, 142538), (1672, 129580), (1705, 127072), (1760, 123101), (1805, 120032), (1936, 111910), (2090, 103664), (2299, 94240), (2356, 91960), (2420, 89528), (2480, 87362), (2728, 79420), (2888, 75020), (2945, 73568), (3040, 71269), (3344, 64790), (3410, 63536), (3610, 60016), (3751, 57760), (3872, 55955), (3971, 54560), (4180, 51832), (4598, 47120), (4712, 45980), (4840, 44764), (4960, 43681), (5456, 39710), (5776, 37510), (5890, 36784), (6479, 33440), (6688, 32395), (6820, 31768), (7220, 30008), (7502, 28880), (7942, 27280), (8360, 25916), (9196, 23560), (9424, 22990), (9680, 22382), (10912, 19855), (11191, 19360), (11495, 18848), (11552, 18755), (11780, 18392), (12958, 16720), (13640, 15884), (14440, 15004)]