72319280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 191571072

約数和(自身を除く): 119251792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 241, 242, 248, 310, 341, 440, 482, 484, 496, 605, 620, 682, 880, 964, 968, 1205, 1210, 1240, 1364, 1705, 1928, 1936, 2410, 2420, 2480, 2651, 2728, 3410, 3751, 3856, 4820, 4840, 5302, 5456, 6820, 7471, 7502, 9640, 9680, 10604, 13255, 13640, 14942, 15004, 18755, 19280, 21208, 26510, 27280, 29161, 29884, 30008, 37355, 37510, 42416, 53020, 58322, 59768, 60016, 74710, 75020, 82181, 106040, 116644, 119536, 145805, 149420, 150040, 164362, 212080, 233288, 291610, 298840, 300080, 328724, 410905, 466576, 583220, 597680, 657448, 821810, 903991, 1166440, 1314896, 1643620, 1807982, 2332880, 3287240, 3615964, 4519955, 6574480, 7231928, 9039910, 14463856, 18079820, 36159640, 72319280]

約数ペア:

[(1, 72319280), (2, 36159640), (4, 18079820), (5, 14463856), (8, 9039910), (10, 7231928), (11, 6574480), (16, 4519955), (20, 3615964), (22, 3287240), (31, 2332880), (40, 1807982), (44, 1643620), (55, 1314896), (62, 1166440), (80, 903991), (88, 821810), (110, 657448), (121, 597680), (124, 583220), (155, 466576), (176, 410905), (220, 328724), (241, 300080), (242, 298840), (248, 291610), (310, 233288), (341, 212080), (440, 164362), (482, 150040), (484, 149420), (496, 145805), (605, 119536), (620, 116644), (682, 106040), (880, 82181), (964, 75020), (968, 74710), (1205, 60016), (1210, 59768), (1240, 58322), (1364, 53020), (1705, 42416), (1928, 37510), (1936, 37355), (2410, 30008), (2420, 29884), (2480, 29161), (2651, 27280), (2728, 26510), (3410, 21208), (3751, 19280), (3856, 18755), (4820, 15004), (4840, 14942), (5302, 13640), (5456, 13255), (6820, 10604), (7471, 9680), (7502, 9640)]