80428700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:93

約数の個数: 162

約数和(自身を含む): 212647848

約数和(自身を除く): 132219148

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 25, 34, 44, 46, 50, 55, 68, 85, 92, 100, 110, 115, 121, 170, 187, 220, 230, 242, 253, 275, 289, 340, 374, 391, 425, 460, 484, 506, 550, 575, 578, 605, 748, 782, 850, 935, 1012, 1100, 1150, 1156, 1210, 1265, 1445, 1564, 1700, 1870, 1955, 2057, 2300, 2420, 2530, 2783, 2890, 3025, 3179, 3740, 3910, 4114, 4301, 4675, 5060, 5566, 5780, 6050, 6325, 6358, 6647, 7225, 7820, 8228, 8602, 9350, 9775, 10285, 11132, 12100, 12650, 12716, 13294, 13915, 14450, 15895, 17204, 18700, 19550, 20570, 21505, 25300, 26588, 27830, 28900, 31790, 33235, 34969, 39100, 41140, 43010, 47311, 51425, 55660, 63580, 66470, 69575, 69938, 73117, 79475, 86020, 94622, 102850, 107525, 132940, 139150, 139876, 146234, 158950, 166175, 174845, 189244, 205700, 215050, 236555, 278300, 292468, 317900, 332350, 349690, 365585, 430100, 473110, 664700, 699380, 731170, 804287, 874225, 946220, 1182775, 1462340, 1608574, 1748450, 1827925, 2365550, 3217148, 3496900, 3655850, 4021435, 4731100, 7311700, 8042870, 16085740, 20107175, 40214350, 80428700]

約数ペア:

[(1, 80428700), (2, 40214350), (4, 20107175), (5, 16085740), (10, 8042870), (11, 7311700), (17, 4731100), (20, 4021435), (22, 3655850), (23, 3496900), (25, 3217148), (34, 2365550), (44, 1827925), (46, 1748450), (50, 1608574), (55, 1462340), (68, 1182775), (85, 946220), (92, 874225), (100, 804287), (110, 731170), (115, 699380), (121, 664700), (170, 473110), (187, 430100), (220, 365585), (230, 349690), (242, 332350), (253, 317900), (275, 292468), (289, 278300), (340, 236555), (374, 215050), (391, 205700), (425, 189244), (460, 174845), (484, 166175), (506, 158950), (550, 146234), (575, 139876), (578, 139150), (605, 132940), (748, 107525), (782, 102850), (850, 94622), (935, 86020), (1012, 79475), (1100, 73117), (1150, 69938), (1156, 69575), (1210, 66470), (1265, 63580), (1445, 55660), (1564, 51425), (1700, 47311), (1870, 43010), (1955, 41140), (2057, 39100), (2300, 34969), (2420, 33235), (2530, 31790), (2783, 28900), (2890, 27830), (3025, 26588), (3179, 25300), (3740, 21505), (3910, 20570), (4114, 19550), (4301, 18700), (4675, 17204), (5060, 15895), (5566, 14450), (5780, 13915), (6050, 13294), (6325, 12716), (6358, 12650), (6647, 12100), (7225, 11132), (7820, 10285), (8228, 9775), (8602, 9350)]