251687301375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1\times {\mathrm{1163}}^1$

素因数の和:1690

約数の個数: 128

約数和(自身を含む): 450270213120

約数和(自身を除く): 198582911745

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 83, 85, 125, 249, 255, 375, 409, 415, 425, 1163, 1227, 1245, 1275, 1411, 2045, 2075, 2125, 3489, 4233, 5815, 6135, 6225, 6375, 6953, 7055, 10225, 10375, 17445, 19771, 20859, 21165, 29075, 30675, 31125, 33947, 34765, 35275, 51125, 59313, 87225, 96529, 98855, 101841, 104295, 105825, 145375, 153375, 169735, 173825, 176375, 289587, 296565, 436125, 475667, 482645, 494275, 509205, 521475, 529125, 577099, 848675, 869125, 1427001, 1447935, 1482825, 1640993, 1731297, 2378335, 2413225, 2471375, 2546025, 2607375, 2885495, 4243375, 4922979, 7135005, 7239675, 7414125, 8086339, 8204965, 8656485, 11891675, 12066125, 12730125, 14427475, 24259017, 24614895, 35675025, 36198375, 39480361, 40431695, 41024825, 43282425, 59458375, 72137375, 118441083, 121295085, 123074475, 178375125, 197401805, 202158475, 205124125, 216412125, 592205415, 606475425, 615372375, 671166137, 987009025, 1010792375, 2013498411, 2961027075, 3032377125, 3355830685, 4935045125, 10067492055, 14805135375, 16779153425, 50337460275, 83895767125, 251687301375]

約数ペア:

[(1, 251687301375), (3, 83895767125), (5, 50337460275), (15, 16779153425), (17, 14805135375), (25, 10067492055), (51, 4935045125), (75, 3355830685), (83, 3032377125), (85, 2961027075), (125, 2013498411), (249, 1010792375), (255, 987009025), (375, 671166137), (409, 615372375), (415, 606475425), (425, 592205415), (1163, 216412125), (1227, 205124125), (1245, 202158475), (1275, 197401805), (1411, 178375125), (2045, 123074475), (2075, 121295085), (2125, 118441083), (3489, 72137375), (4233, 59458375), (5815, 43282425), (6135, 41024825), (6225, 40431695), (6375, 39480361), (6953, 36198375), (7055, 35675025), (10225, 24614895), (10375, 24259017), (17445, 14427475), (19771, 12730125), (20859, 12066125), (21165, 11891675), (29075, 8656485), (30675, 8204965), (31125, 8086339), (33947, 7414125), (34765, 7239675), (35275, 7135005), (51125, 4922979), (59313, 4243375), (87225, 2885495), (96529, 2607375), (98855, 2546025), (101841, 2471375), (104295, 2413225), (105825, 2378335), (145375, 1731297), (153375, 1640993), (169735, 1482825), (173825, 1447935), (176375, 1427001), (289587, 869125), (296565, 848675), (436125, 577099), (475667, 529125), (482645, 521475), (494275, 509205)]