7121254125

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 128

約数和(自身を含む): 12774408192

約数和(自身を除く): 5653154067

約数列:

[1, 3, 5, 15, 25, 31, 41, 67, 75, 93, 123, 125, 155, 201, 205, 223, 335, 375, 465, 615, 669, 775, 1005, 1025, 1115, 1271, 1675, 2077, 2325, 2747, 3075, 3345, 3813, 3875, 5025, 5125, 5575, 6231, 6355, 6913, 8241, 8375, 9143, 10385, 11625, 13735, 14941, 15375, 16725, 19065, 20739, 25125, 27429, 27875, 31155, 31775, 34565, 41205, 44823, 45715, 51925, 68675, 74705, 83625, 85157, 95325, 103695, 137145, 155775, 158875, 172825, 206025, 224115, 228575, 255471, 259625, 283433, 343375, 373525, 425785, 463171, 476625, 518475, 612581, 685725, 778875, 850299, 864125, 1030125, 1120575, 1142875, 1277355, 1389513, 1417165, 1837743, 1867625, 2128925, 2315855, 2592375, 3062905, 3428625, 4251495, 5602875, 6386775, 6947565, 7085825, 9188715, 10644625, 11579275, 15314525, 18990011, 21257475, 31933875, 34737825, 35429125, 45943575, 56970033, 57896375, 76572625, 94950055, 106287375, 173689125, 229717875, 284850165, 474750275, 1424250825, 2373751375, 7121254125]

約数ペア:

[(1, 7121254125), (3, 2373751375), (5, 1424250825), (15, 474750275), (25, 284850165), (31, 229717875), (41, 173689125), (67, 106287375), (75, 94950055), (93, 76572625), (123, 57896375), (125, 56970033), (155, 45943575), (201, 35429125), (205, 34737825), (223, 31933875), (335, 21257475), (375, 18990011), (465, 15314525), (615, 11579275), (669, 10644625), (775, 9188715), (1005, 7085825), (1025, 6947565), (1115, 6386775), (1271, 5602875), (1675, 4251495), (2077, 3428625), (2325, 3062905), (2747, 2592375), (3075, 2315855), (3345, 2128925), (3813, 1867625), (3875, 1837743), (5025, 1417165), (5125, 1389513), (5575, 1277355), (6231, 1142875), (6355, 1120575), (6913, 1030125), (8241, 864125), (8375, 850299), (9143, 778875), (10385, 685725), (11625, 612581), (13735, 518475), (14941, 476625), (15375, 463171), (16725, 425785), (19065, 373525), (20739, 343375), (25125, 283433), (27429, 259625), (27875, 255471), (31155, 228575), (31775, 224115), (34565, 206025), (41205, 172825), (44823, 158875), (45715, 155775), (51925, 137145), (68675, 103695), (74705, 95325), (83625, 85157)]