1218236490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:342

約数の個数: 256

約数和(自身を含む): 3696192000

約数和(自身を除く): 2477955510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 27, 30, 34, 38, 45, 51, 54, 57, 61, 85, 90, 95, 102, 114, 122, 135, 153, 170, 171, 183, 190, 229, 255, 270, 285, 305, 306, 323, 342, 366, 458, 459, 510, 513, 549, 570, 610, 646, 687, 765, 855, 915, 918, 969, 1026, 1037, 1098, 1145, 1159, 1374, 1530, 1615, 1647, 1710, 1830, 1938, 2061, 2074, 2290, 2295, 2318, 2565, 2745, 2907, 3111, 3230, 3294, 3435, 3477, 3893, 4122, 4351, 4590, 4845, 5130, 5185, 5490, 5795, 5814, 6183, 6222, 6870, 6954, 7786, 8235, 8702, 8721, 9333, 9690, 10305, 10370, 10431, 11590, 11679, 12366, 13053, 13969, 14535, 15555, 16470, 17385, 17442, 18666, 19465, 19703, 20610, 20862, 21755, 23358, 26106, 27938, 27999, 29070, 30915, 31110, 31293, 34770, 35037, 38930, 39159, 39406, 41907, 43510, 43605, 46665, 52155, 55998, 58395, 59109, 61830, 62586, 65265, 69845, 70074, 73967, 78318, 83814, 87210, 93330, 98515, 104310, 105111, 116790, 117477, 118218, 125721, 130530, 139690, 139995, 147934, 156465, 175185, 177327, 195795, 197030, 209535, 210222, 221901, 234954, 237473, 251442, 265411, 279990, 295545, 312930, 350370, 354654, 369835, 377163, 391590, 419070, 443802, 474946, 525555, 530822, 531981, 587385, 591090, 628605, 665703, 712419, 739670, 754326, 796233, 886635, 1051110, 1063962, 1109505, 1174770, 1187365, 1257210, 1327055, 1331406, 1424838, 1592466, 1773270, 1885815, 1997109, 2137257, 2219010, 2374730, 2388699, 2654110, 2659905, 3328515, 3562095, 3771630, 3981165, 3994218, 4274514, 4511987, 4777398, 5319810, 6411771, 6657030, 7124190, 7166097, 7962330, 9023974, 9985545, 10686285, 11943495, 12823542, 13535961, 14332194, 19971090, 21372570, 22559935, 23886990, 27071922, 32058855, 35830485, 40607883, 45119870, 64117710, 67679805, 71660970, 81215766, 121823649, 135359610, 203039415, 243647298, 406078830, 609118245, 1218236490]

約数ペア:

[(1, 1218236490), (2, 609118245), (3, 406078830), (5, 243647298), (6, 203039415), (9, 135359610), (10, 121823649), (15, 81215766), (17, 71660970), (18, 67679805), (19, 64117710), (27, 45119870), (30, 40607883), (34, 35830485), (38, 32058855), (45, 27071922), (51, 23886990), (54, 22559935), (57, 21372570), (61, 19971090), (85, 14332194), (90, 13535961), (95, 12823542), (102, 11943495), (114, 10686285), (122, 9985545), (135, 9023974), (153, 7962330), (170, 7166097), (171, 7124190), (183, 6657030), (190, 6411771), (229, 5319810), (255, 4777398), (270, 4511987), (285, 4274514), (305, 3994218), (306, 3981165), (323, 3771630), (342, 3562095), (366, 3328515), (458, 2659905), (459, 2654110), (510, 2388699), (513, 2374730), (549, 2219010), (570, 2137257), (610, 1997109), (646, 1885815), (687, 1773270), (765, 1592466), (855, 1424838), (915, 1331406), (918, 1327055), (969, 1257210), (1026, 1187365), (1037, 1174770), (1098, 1109505), (1145, 1063962), (1159, 1051110), (1374, 886635), (1530, 796233), (1615, 754326), (1647, 739670), (1710, 712419), (1830, 665703), (1938, 628605), (2061, 591090), (2074, 587385), (2290, 531981), (2295, 530822), (2318, 525555), (2565, 474946), (2745, 443802), (2907, 419070), (3111, 391590), (3230, 377163), (3294, 369835), (3435, 354654), (3477, 350370), (3893, 312930), (4122, 295545), (4351, 279990), (4590, 265411), (4845, 251442), (5130, 237473), (5185, 234954), (5490, 221901), (5795, 210222), (5814, 209535), (6183, 197030), (6222, 195795), (6870, 177327), (6954, 175185), (7786, 156465), (8235, 147934), (8702, 139995), (8721, 139690), (9333, 130530), (9690, 125721), (10305, 118218), (10370, 117477), (10431, 116790), (11590, 105111), (11679, 104310), (12366, 98515), (13053, 93330), (13969, 87210), (14535, 83814), (15555, 78318), (16470, 73967), (17385, 70074), (17442, 69845), (18666, 65265), (19465, 62586), (19703, 61830), (20610, 59109), (20862, 58395), (21755, 55998), (23358, 52155), (26106, 46665), (27938, 43605), (27999, 43510), (29070, 41907), (30915, 39406), (31110, 39159), (31293, 38930), (34770, 35037)]