19638465840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{53377}}^1$

素因数の和:53476

約数の個数: 240

約数和(自身を含む): 76408258368

約数和(自身を除く): 56769792528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 73, 80, 84, 90, 105, 112, 120, 126, 140, 144, 146, 168, 180, 210, 219, 240, 252, 280, 292, 315, 336, 360, 365, 420, 438, 504, 511, 560, 584, 630, 657, 720, 730, 840, 876, 1008, 1022, 1095, 1168, 1260, 1314, 1460, 1533, 1680, 1752, 2044, 2190, 2520, 2555, 2628, 2920, 3066, 3285, 3504, 4088, 4380, 4599, 5040, 5110, 5256, 5840, 6132, 6570, 7665, 8176, 8760, 9198, 10220, 10512, 12264, 13140, 15330, 17520, 18396, 20440, 22995, 24528, 26280, 30660, 36792, 40880, 45990, 52560, 53377, 61320, 73584, 91980, 106754, 122640, 160131, 183960, 213508, 266885, 320262, 367920, 373639, 427016, 480393, 533770, 640524, 747278, 800655, 854032, 960786, 1067540, 1120917, 1281048, 1494556, 1601310, 1868195, 1921572, 2135080, 2241834, 2401965, 2562096, 2989112, 3202620, 3362751, 3736390, 3843144, 3896521, 4270160, 4483668, 4803930, 5604585, 5978224, 6405240, 6725502, 7472780, 7686288, 7793042, 8967336, 9607860, 11209170, 11689563, 12810480, 13451004, 14945560, 15586084, 16813755, 17934672, 19215720, 19482605, 22418340, 23379126, 26902008, 27275647, 29891120, 31172168, 33627510, 35068689, 38431440, 38965210, 44836680, 46758252, 53804016, 54551294, 58447815, 62344336, 67255020, 70137378, 77930420, 81826941, 89673360, 93516504, 109102588, 116895630, 134510040, 136378235, 140274756, 155860840, 163653882, 175343445, 187033008, 218205176, 233791260, 245480823, 269020080, 272756470, 280549512, 311721680, 327307764, 350686890, 409134705, 436410352, 467582520, 490961646, 545512940, 561099024, 654615528, 701373780, 818269410, 935165040, 981923292, 1091025880, 1227404115, 1309231056, 1402747560, 1636538820, 1963846584, 2182051760, 2454808230, 2805495120, 3273077640, 3927693168, 4909616460, 6546155280, 9819232920, 19638465840]

約数ペア:

[(1, 19638465840), (2, 9819232920), (3, 6546155280), (4, 4909616460), (5, 3927693168), (6, 3273077640), (7, 2805495120), (8, 2454808230), (9, 2182051760), (10, 1963846584), (12, 1636538820), (14, 1402747560), (15, 1309231056), (16, 1227404115), (18, 1091025880), (20, 981923292), (21, 935165040), (24, 818269410), (28, 701373780), (30, 654615528), (35, 561099024), (36, 545512940), (40, 490961646), (42, 467582520), (45, 436410352), (48, 409134705), (56, 350686890), (60, 327307764), (63, 311721680), (70, 280549512), (72, 272756470), (73, 269020080), (80, 245480823), (84, 233791260), (90, 218205176), (105, 187033008), (112, 175343445), (120, 163653882), (126, 155860840), (140, 140274756), (144, 136378235), (146, 134510040), (168, 116895630), (180, 109102588), (210, 93516504), (219, 89673360), (240, 81826941), (252, 77930420), (280, 70137378), (292, 67255020), (315, 62344336), (336, 58447815), (360, 54551294), (365, 53804016), (420, 46758252), (438, 44836680), (504, 38965210), (511, 38431440), (560, 35068689), (584, 33627510), (630, 31172168), (657, 29891120), (720, 27275647), (730, 26902008), (840, 23379126), (876, 22418340), (1008, 19482605), (1022, 19215720), (1095, 17934672), (1168, 16813755), (1260, 15586084), (1314, 14945560), (1460, 13451004), (1533, 12810480), (1680, 11689563), (1752, 11209170), (2044, 9607860), (2190, 8967336), (2520, 7793042), (2555, 7686288), (2628, 7472780), (2920, 6725502), (3066, 6405240), (3285, 5978224), (3504, 5604585), (4088, 4803930), (4380, 4483668), (4599, 4270160), (5040, 3896521), (5110, 3843144), (5256, 3736390), (5840, 3362751), (6132, 3202620), (6570, 2989112), (7665, 2562096), (8176, 2401965), (8760, 2241834), (9198, 2135080), (10220, 1921572), (10512, 1868195), (12264, 1601310), (13140, 1494556), (15330, 1281048), (17520, 1120917), (18396, 1067540), (20440, 960786), (22995, 854032), (24528, 800655), (26280, 747278), (30660, 640524), (36792, 533770), (40880, 480393), (45990, 427016), (52560, 373639), (53377, 367920), (61320, 320262), (73584, 266885), (91980, 213508), (106754, 183960), (122640, 160131)]