320425424

素因数分解:

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

素因数の和:361

約数の個数: 120

約数和(自身を含む): 744119040

約数和(自身を除く): 423693616

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 121, 124, 152, 176, 209, 242, 248, 281, 304, 341, 418, 484, 496, 562, 589, 682, 836, 968, 1124, 1178, 1364, 1672, 1936, 2248, 2299, 2356, 2728, 3091, 3344, 3751, 4496, 4598, 4712, 5339, 5456, 6182, 6479, 7502, 8711, 9196, 9424, 10678, 12364, 12958, 15004, 17422, 18392, 21356, 24728, 25916, 30008, 34001, 34844, 36784, 42712, 49456, 51832, 58729, 60016, 68002, 69688, 71269, 85424, 95821, 103664, 117458, 136004, 139376, 142538, 165509, 191642, 234916, 272008, 285076, 331018, 383284, 469832, 544016, 570152, 646019, 662036, 766568, 939664, 1054031, 1140304, 1292038, 1324072, 1533136, 1820599, 2108062, 2584076, 2648144, 3641198, 4216124, 5168152, 7282396, 8432248, 10336304, 14564792, 16864496, 20026589, 29129584, 40053178, 80106356, 160212712, 320425424]

約数ペア:

[(1, 320425424), (2, 160212712), (4, 80106356), (8, 40053178), (11, 29129584), (16, 20026589), (19, 16864496), (22, 14564792), (31, 10336304), (38, 8432248), (44, 7282396), (62, 5168152), (76, 4216124), (88, 3641198), (121, 2648144), (124, 2584076), (152, 2108062), (176, 1820599), (209, 1533136), (242, 1324072), (248, 1292038), (281, 1140304), (304, 1054031), (341, 939664), (418, 766568), (484, 662036), (496, 646019), (562, 570152), (589, 544016), (682, 469832), (836, 383284), (968, 331018), (1124, 285076), (1178, 272008), (1364, 234916), (1672, 191642), (1936, 165509), (2248, 142538), (2299, 139376), (2356, 136004), (2728, 117458), (3091, 103664), (3344, 95821), (3751, 85424), (4496, 71269), (4598, 69688), (4712, 68002), (5339, 60016), (5456, 58729), (6182, 51832), (6479, 49456), (7502, 42712), (8711, 36784), (9196, 34844), (9424, 34001), (10678, 30008), (12364, 25916), (12958, 24728), (15004, 21356), (17422, 18392)]