78266320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 217128960

約数和(自身を除く): 138862640

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, 151, 152, 155, 176, 190, 209, 220, 248, 302, 304, 310, 341, 380, 418, 440, 496, 589, 604, 620, 682, 755, 760, 836, 880, 1045, 1178, 1208, 1240, 1364, 1510, 1520, 1661, 1672, 1705, 2090, 2356, 2416, 2480, 2728, 2869, 2945, 3020, 3322, 3344, 3410, 4180, 4681, 4712, 5456, 5738, 5890, 6040, 6479, 6644, 6820, 8305, 8360, 9362, 9424, 11476, 11780, 12080, 12958, 13288, 13640, 14345, 16610, 16720, 18724, 22952, 23405, 23560, 25916, 26576, 27280, 28690, 31559, 32395, 33220, 37448, 45904, 46810, 47120, 51491, 51832, 57380, 63118, 64790, 66440, 74896, 88939, 93620, 102982, 103664, 114760, 126236, 129580, 132880, 157795, 177878, 187240, 205964, 229520, 252472, 257455, 259160, 315590, 355756, 374480, 411928, 444695, 504944, 514910, 518320, 631180, 711512, 823856, 889390, 978329, 1029820, 1262360, 1423024, 1778780, 1956658, 2059640, 2524720, 3557560, 3913316, 4119280, 4891645, 7115120, 7826632, 9783290, 15653264, 19566580, 39133160, 78266320]

約数ペア:

[(1, 78266320), (2, 39133160), (4, 19566580), (5, 15653264), (8, 9783290), (10, 7826632), (11, 7115120), (16, 4891645), (19, 4119280), (20, 3913316), (22, 3557560), (31, 2524720), (38, 2059640), (40, 1956658), (44, 1778780), (55, 1423024), (62, 1262360), (76, 1029820), (80, 978329), (88, 889390), (95, 823856), (110, 711512), (124, 631180), (151, 518320), (152, 514910), (155, 504944), (176, 444695), (190, 411928), (209, 374480), (220, 355756), (248, 315590), (302, 259160), (304, 257455), (310, 252472), (341, 229520), (380, 205964), (418, 187240), (440, 177878), (496, 157795), (589, 132880), (604, 129580), (620, 126236), (682, 114760), (755, 103664), (760, 102982), (836, 93620), (880, 88939), (1045, 74896), (1178, 66440), (1208, 64790), (1240, 63118), (1364, 57380), (1510, 51832), (1520, 51491), (1661, 47120), (1672, 46810), (1705, 45904), (2090, 37448), (2356, 33220), (2416, 32395), (2480, 31559), (2728, 28690), (2869, 27280), (2945, 26576), (3020, 25916), (3322, 23560), (3344, 23405), (3410, 22952), (4180, 18724), (4681, 16720), (4712, 16610), (5456, 14345), (5738, 13640), (5890, 13288), (6040, 12958), (6479, 12080), (6644, 11780), (6820, 11476), (8305, 9424), (8360, 9362)]