72016875

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 155950080

約数和(自身を除く): 83933205

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 59, 63, 75, 93, 105, 125, 155, 175, 177, 217, 225, 279, 295, 315, 375, 413, 465, 525, 531, 625, 651, 775, 875, 885, 1085, 1125, 1239, 1395, 1475, 1575, 1829, 1875, 1953, 2065, 2325, 2625, 2655, 3255, 3717, 3875, 4375, 4425, 5425, 5487, 5625, 6195, 6975, 7375, 7875, 9145, 9765, 10325, 11625, 12803, 13125, 13275, 16275, 16461, 18585, 19375, 22125, 27125, 27435, 30975, 34875, 36875, 38409, 39375, 45725, 48825, 51625, 58125, 64015, 66375, 81375, 82305, 92925, 110625, 115227, 135625, 137175, 154875, 174375, 192045, 228625, 244125, 258125, 320075, 331875, 406875, 411525, 464625, 576135, 685875, 774375, 960225, 1143125, 1220625, 1600375, 2057625, 2323125, 2880675, 3429375, 4801125, 8001875, 10288125, 14403375, 24005625, 72016875]

約数ペア:

[(1, 72016875), (3, 24005625), (5, 14403375), (7, 10288125), (9, 8001875), (15, 4801125), (21, 3429375), (25, 2880675), (31, 2323125), (35, 2057625), (45, 1600375), (59, 1220625), (63, 1143125), (75, 960225), (93, 774375), (105, 685875), (125, 576135), (155, 464625), (175, 411525), (177, 406875), (217, 331875), (225, 320075), (279, 258125), (295, 244125), (315, 228625), (375, 192045), (413, 174375), (465, 154875), (525, 137175), (531, 135625), (625, 115227), (651, 110625), (775, 92925), (875, 82305), (885, 81375), (1085, 66375), (1125, 64015), (1239, 58125), (1395, 51625), (1475, 48825), (1575, 45725), (1829, 39375), (1875, 38409), (1953, 36875), (2065, 34875), (2325, 30975), (2625, 27435), (2655, 27125), (3255, 22125), (3717, 19375), (3875, 18585), (4375, 16461), (4425, 16275), (5425, 13275), (5487, 13125), (5625, 12803), (6195, 11625), (6975, 10325), (7375, 9765), (7875, 9145)]