215321490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:878

約数の個数: 160

約数和(自身を含む): 646081920

約数和(自身を除く): 430760430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 27, 30, 34, 38, 45, 51, 54, 57, 81, 85, 90, 95, 102, 114, 135, 153, 162, 170, 171, 190, 255, 270, 285, 306, 323, 342, 405, 459, 510, 513, 570, 646, 765, 810, 823, 855, 918, 969, 1026, 1377, 1530, 1539, 1615, 1646, 1710, 1938, 2295, 2469, 2565, 2754, 2907, 3078, 3230, 4115, 4590, 4845, 4938, 5130, 5814, 6885, 7407, 7695, 8230, 8721, 9690, 12345, 13770, 13991, 14535, 14814, 15390, 15637, 17442, 22221, 24690, 26163, 27982, 29070, 31274, 37035, 41973, 43605, 44442, 46911, 52326, 66663, 69955, 74070, 78185, 83946, 87210, 93822, 111105, 125919, 130815, 133326, 139910, 140733, 156370, 209865, 222210, 234555, 251838, 261630, 265829, 281466, 333315, 377757, 419730, 422199, 469110, 531658, 629595, 666630, 703665, 755514, 797487, 844398, 1133271, 1259190, 1266597, 1329145, 1407330, 1594974, 1888785, 2110995, 2266542, 2392461, 2533194, 2658290, 3777570, 3987435, 4221990, 4784922, 5666355, 6332985, 7177383, 7974870, 11332710, 11962305, 12665970, 14354766, 21532149, 23924610, 35886915, 43064298, 71773830, 107660745, 215321490]

約数ペア:

[(1, 215321490), (2, 107660745), (3, 71773830), (5, 43064298), (6, 35886915), (9, 23924610), (10, 21532149), (15, 14354766), (17, 12665970), (18, 11962305), (19, 11332710), (27, 7974870), (30, 7177383), (34, 6332985), (38, 5666355), (45, 4784922), (51, 4221990), (54, 3987435), (57, 3777570), (81, 2658290), (85, 2533194), (90, 2392461), (95, 2266542), (102, 2110995), (114, 1888785), (135, 1594974), (153, 1407330), (162, 1329145), (170, 1266597), (171, 1259190), (190, 1133271), (255, 844398), (270, 797487), (285, 755514), (306, 703665), (323, 666630), (342, 629595), (405, 531658), (459, 469110), (510, 422199), (513, 419730), (570, 377757), (646, 333315), (765, 281466), (810, 265829), (823, 261630), (855, 251838), (918, 234555), (969, 222210), (1026, 209865), (1377, 156370), (1530, 140733), (1539, 139910), (1615, 133326), (1646, 130815), (1710, 125919), (1938, 111105), (2295, 93822), (2469, 87210), (2565, 83946), (2754, 78185), (2907, 74070), (3078, 69955), (3230, 66663), (4115, 52326), (4590, 46911), (4845, 44442), (4938, 43605), (5130, 41973), (5814, 37035), (6885, 31274), (7407, 29070), (7695, 27982), (8230, 26163), (8721, 24690), (9690, 22221), (12345, 17442), (13770, 15637), (13991, 15390), (14535, 14814)]