31815900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 216

約数和(自身を含む): 109680480

約数和(自身を除く): 77864580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 29, 30, 36, 45, 46, 50, 53, 58, 60, 69, 75, 87, 90, 92, 100, 106, 115, 116, 138, 145, 150, 159, 174, 180, 207, 212, 225, 230, 261, 265, 276, 290, 300, 318, 345, 348, 414, 435, 450, 460, 477, 522, 530, 575, 580, 636, 667, 690, 725, 795, 828, 870, 900, 954, 1035, 1044, 1060, 1150, 1219, 1305, 1325, 1334, 1380, 1450, 1537, 1590, 1725, 1740, 1908, 2001, 2070, 2175, 2300, 2385, 2438, 2610, 2650, 2668, 2900, 3074, 3180, 3335, 3450, 3657, 3975, 4002, 4140, 4350, 4611, 4770, 4876, 5175, 5220, 5300, 6003, 6095, 6148, 6525, 6670, 6900, 7314, 7685, 7950, 8004, 8700, 9222, 9540, 10005, 10350, 10971, 11925, 12006, 12190, 13050, 13340, 13833, 14628, 15370, 15900, 16675, 18285, 18444, 20010, 20700, 21942, 23055, 23850, 24012, 24380, 26100, 27666, 30015, 30475, 30740, 33350, 35351, 36570, 38425, 40020, 43884, 46110, 47700, 50025, 54855, 55332, 60030, 60950, 66700, 69165, 70702, 73140, 76850, 91425, 92220, 100050, 106053, 109710, 115275, 120060, 121900, 138330, 141404, 150075, 153700, 176755, 182850, 200100, 212106, 219420, 230550, 274275, 276660, 300150, 318159, 345825, 353510, 365700, 424212, 461100, 530265, 548550, 600300, 636318, 691650, 707020, 883775, 1060530, 1097100, 1272636, 1383300, 1590795, 1767550, 2121060, 2651325, 3181590, 3535100, 5302650, 6363180, 7953975, 10605300, 15907950, 31815900]

約数ペア:

[(1, 31815900), (2, 15907950), (3, 10605300), (4, 7953975), (5, 6363180), (6, 5302650), (9, 3535100), (10, 3181590), (12, 2651325), (15, 2121060), (18, 1767550), (20, 1590795), (23, 1383300), (25, 1272636), (29, 1097100), (30, 1060530), (36, 883775), (45, 707020), (46, 691650), (50, 636318), (53, 600300), (58, 548550), (60, 530265), (69, 461100), (75, 424212), (87, 365700), (90, 353510), (92, 345825), (100, 318159), (106, 300150), (115, 276660), (116, 274275), (138, 230550), (145, 219420), (150, 212106), (159, 200100), (174, 182850), (180, 176755), (207, 153700), (212, 150075), (225, 141404), (230, 138330), (261, 121900), (265, 120060), (276, 115275), (290, 109710), (300, 106053), (318, 100050), (345, 92220), (348, 91425), (414, 76850), (435, 73140), (450, 70702), (460, 69165), (477, 66700), (522, 60950), (530, 60030), (575, 55332), (580, 54855), (636, 50025), (667, 47700), (690, 46110), (725, 43884), (795, 40020), (828, 38425), (870, 36570), (900, 35351), (954, 33350), (1035, 30740), (1044, 30475), (1060, 30015), (1150, 27666), (1219, 26100), (1305, 24380), (1325, 24012), (1334, 23850), (1380, 23055), (1450, 21942), (1537, 20700), (1590, 20010), (1725, 18444), (1740, 18285), (1908, 16675), (2001, 15900), (2070, 15370), (2175, 14628), (2300, 13833), (2385, 13340), (2438, 13050), (2610, 12190), (2650, 12006), (2668, 11925), (2900, 10971), (3074, 10350), (3180, 10005), (3335, 9540), (3450, 9222), (3657, 8700), (3975, 8004), (4002, 7950), (4140, 7685), (4350, 7314), (4611, 6900), (4770, 6670), (4876, 6525), (5175, 6148), (5220, 6095), (5300, 6003)]