1388351760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251513}}^1$

素因数の和:251552

約数の個数: 80

約数和(自身を含む): 4491033984

約数和(自身を除く): 3102682224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 251513, 503026, 754539, 1006052, 1257565, 1509078, 2012104, 2515130, 3018156, 3772695, 4024208, 5030260, 5784799, 6036312, 7545390, 10060520, 11569598, 12072624, 15090780, 17354397, 20121040, 23139196, 28923995, 30181560, 34708794, 46278392, 57847990, 60363120, 69417588, 86771985, 92556784, 115695980, 138835176, 173543970, 231391960, 277670352, 347087940, 462783920, 694175880, 1388351760]

約数ペア:

[(1, 1388351760), (2, 694175880), (3, 462783920), (4, 347087940), (5, 277670352), (6, 231391960), (8, 173543970), (10, 138835176), (12, 115695980), (15, 92556784), (16, 86771985), (20, 69417588), (23, 60363120), (24, 57847990), (30, 46278392), (40, 34708794), (46, 30181560), (48, 28923995), (60, 23139196), (69, 20121040), (80, 17354397), (92, 15090780), (115, 12072624), (120, 11569598), (138, 10060520), (184, 7545390), (230, 6036312), (240, 5784799), (276, 5030260), (345, 4024208), (368, 3772695), (460, 3018156), (552, 2515130), (690, 2012104), (920, 1509078), (1104, 1257565), (1380, 1006052), (1840, 754539), (2760, 503026), (5520, 251513)]