145647920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 402831360

約数和(自身を除く): 257183440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 176, 190, 209, 220, 248, 281, 304, 310, 341, 380, 418, 440, 496, 562, 589, 620, 682, 760, 836, 880, 1045, 1124, 1178, 1240, 1364, 1405, 1520, 1672, 1705, 2090, 2248, 2356, 2480, 2728, 2810, 2945, 3091, 3344, 3410, 4180, 4496, 4712, 5339, 5456, 5620, 5890, 6182, 6479, 6820, 8360, 8711, 9424, 10678, 11240, 11780, 12364, 12958, 13640, 15455, 16720, 17422, 21356, 22480, 23560, 24728, 25916, 26695, 27280, 30910, 32395, 34844, 42712, 43555, 47120, 49456, 51832, 53390, 58729, 61820, 64790, 69688, 85424, 87110, 95821, 103664, 106780, 117458, 123640, 129580, 139376, 165509, 174220, 191642, 213560, 234916, 247280, 259160, 293645, 331018, 348440, 383284, 427120, 469832, 479105, 518320, 587290, 662036, 696880, 766568, 827545, 939664, 958210, 1174580, 1324072, 1533136, 1655090, 1820599, 1916420, 2349160, 2648144, 3310180, 3641198, 3832840, 4698320, 6620360, 7282396, 7665680, 9102995, 13240720, 14564792, 18205990, 29129584, 36411980, 72823960, 145647920]

約数ペア:

[(1, 145647920), (2, 72823960), (4, 36411980), (5, 29129584), (8, 18205990), (10, 14564792), (11, 13240720), (16, 9102995), (19, 7665680), (20, 7282396), (22, 6620360), (31, 4698320), (38, 3832840), (40, 3641198), (44, 3310180), (55, 2648144), (62, 2349160), (76, 1916420), (80, 1820599), (88, 1655090), (95, 1533136), (110, 1324072), (124, 1174580), (152, 958210), (155, 939664), (176, 827545), (190, 766568), (209, 696880), (220, 662036), (248, 587290), (281, 518320), (304, 479105), (310, 469832), (341, 427120), (380, 383284), (418, 348440), (440, 331018), (496, 293645), (562, 259160), (589, 247280), (620, 234916), (682, 213560), (760, 191642), (836, 174220), (880, 165509), (1045, 139376), (1124, 129580), (1178, 123640), (1240, 117458), (1364, 106780), (1405, 103664), (1520, 95821), (1672, 87110), (1705, 85424), (2090, 69688), (2248, 64790), (2356, 61820), (2480, 58729), (2728, 53390), (2810, 51832), (2945, 49456), (3091, 47120), (3344, 43555), (3410, 42712), (4180, 34844), (4496, 32395), (4712, 30910), (5339, 27280), (5456, 26695), (5620, 25916), (5890, 24728), (6182, 23560), (6479, 22480), (6820, 21356), (8360, 17422), (8711, 16720), (9424, 15455), (10678, 13640), (11240, 12958), (11780, 12364)]