659856080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 1731222528

約数和(自身を除く): 1071366448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 97, 104, 124, 130, 155, 194, 208, 211, 248, 260, 310, 388, 403, 422, 485, 496, 520, 620, 776, 806, 844, 970, 1040, 1055, 1240, 1261, 1552, 1612, 1688, 1940, 2015, 2110, 2480, 2522, 2743, 3007, 3224, 3376, 3880, 4030, 4220, 5044, 5486, 6014, 6305, 6448, 6541, 7760, 8060, 8440, 10088, 10972, 12028, 12610, 13082, 13715, 15035, 16120, 16880, 20176, 20467, 21944, 24056, 25220, 26164, 27430, 30070, 32240, 32705, 39091, 40934, 43888, 48112, 50440, 52328, 54860, 60140, 65410, 78182, 81868, 85033, 100880, 102335, 104656, 109720, 120280, 130820, 156364, 163736, 170066, 195455, 204670, 219440, 240560, 261640, 266071, 312728, 327472, 340132, 390910, 409340, 425165, 523280, 532142, 625456, 634477, 680264, 781820, 818680, 850330, 1064284, 1268954, 1330355, 1360528, 1563640, 1637360, 1700660, 2128568, 2537908, 2660710, 3127280, 3172385, 3401320, 4257136, 5075816, 5321420, 6344770, 6802640, 8248201, 10151632, 10642840, 12689540, 16496402, 21285680, 25379080, 32992804, 41241005, 50758160, 65985608, 82482010, 131971216, 164964020, 329928040, 659856080]

約数ペア:

[(1, 659856080), (2, 329928040), (4, 164964020), (5, 131971216), (8, 82482010), (10, 65985608), (13, 50758160), (16, 41241005), (20, 32992804), (26, 25379080), (31, 21285680), (40, 16496402), (52, 12689540), (62, 10642840), (65, 10151632), (80, 8248201), (97, 6802640), (104, 6344770), (124, 5321420), (130, 5075816), (155, 4257136), (194, 3401320), (208, 3172385), (211, 3127280), (248, 2660710), (260, 2537908), (310, 2128568), (388, 1700660), (403, 1637360), (422, 1563640), (485, 1360528), (496, 1330355), (520, 1268954), (620, 1064284), (776, 850330), (806, 818680), (844, 781820), (970, 680264), (1040, 634477), (1055, 625456), (1240, 532142), (1261, 523280), (1552, 425165), (1612, 409340), (1688, 390910), (1940, 340132), (2015, 327472), (2110, 312728), (2480, 266071), (2522, 261640), (2743, 240560), (3007, 219440), (3224, 204670), (3376, 195455), (3880, 170066), (4030, 163736), (4220, 156364), (5044, 130820), (5486, 120280), (6014, 109720), (6305, 104656), (6448, 102335), (6541, 100880), (7760, 85033), (8060, 81868), (8440, 78182), (10088, 65410), (10972, 60140), (12028, 54860), (12610, 52328), (13082, 50440), (13715, 48112), (15035, 43888), (16120, 40934), (16880, 39091), (20176, 32705), (20467, 32240), (21944, 30070), (24056, 27430), (25220, 26164)]