31009680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3313}}^1$

素因数の和:3345

約数の個数: 120

約数和(自身を含む): 112185528

約数和(自身を除く): 81175848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 3313, 4680, 6626, 9360, 9939, 13252, 16565, 19878, 26504, 29817, 33130, 39756, 43069, 49695, 53008, 59634, 66260, 79512, 86138, 99390, 119268, 129207, 132520, 149085, 159024, 172276, 198780, 215345, 238536, 258414, 265040, 298170, 344552, 387621, 397560, 430690, 477072, 516828, 596340, 646035, 689104, 775242, 795120, 861380, 1033656, 1192680, 1292070, 1550484, 1722760, 1938105, 2067312, 2385360, 2584140, 3100968, 3445520, 3876210, 5168280, 6201936, 7752420, 10336560, 15504840, 31009680]

約数ペア:

[(1, 31009680), (2, 15504840), (3, 10336560), (4, 7752420), (5, 6201936), (6, 5168280), (8, 3876210), (9, 3445520), (10, 3100968), (12, 2584140), (13, 2385360), (15, 2067312), (16, 1938105), (18, 1722760), (20, 1550484), (24, 1292070), (26, 1192680), (30, 1033656), (36, 861380), (39, 795120), (40, 775242), (45, 689104), (48, 646035), (52, 596340), (60, 516828), (65, 477072), (72, 430690), (78, 397560), (80, 387621), (90, 344552), (104, 298170), (117, 265040), (120, 258414), (130, 238536), (144, 215345), (156, 198780), (180, 172276), (195, 159024), (208, 149085), (234, 132520), (240, 129207), (260, 119268), (312, 99390), (360, 86138), (390, 79512), (468, 66260), (520, 59634), (585, 53008), (624, 49695), (720, 43069), (780, 39756), (936, 33130), (1040, 29817), (1170, 26504), (1560, 19878), (1872, 16565), (2340, 13252), (3120, 9939), (3313, 9360), (4680, 6626)]