1778452020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2\times {\mathrm{71}}^1$

素因数の和:251

約数の個数: 216

約数和(自身を含む): 5732633088

約数和(自身を除く): 3954181068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 67, 71, 90, 93, 124, 134, 142, 155, 180, 186, 201, 213, 268, 279, 284, 310, 335, 355, 372, 402, 426, 465, 558, 603, 620, 639, 670, 710, 804, 852, 930, 1005, 1065, 1116, 1206, 1278, 1340, 1395, 1420, 1860, 2010, 2077, 2130, 2201, 2412, 2556, 2790, 3015, 3195, 4020, 4154, 4260, 4402, 4489, 4757, 5580, 6030, 6231, 6390, 6603, 8308, 8804, 8978, 9514, 10385, 11005, 12060, 12462, 12780, 13206, 13467, 14271, 17956, 18693, 19028, 19809, 20770, 22010, 22445, 23785, 24924, 26412, 26934, 28542, 31155, 33015, 37386, 39618, 40401, 41540, 42813, 44020, 44890, 47570, 53868, 57084, 62310, 66030, 67335, 71355, 74772, 79236, 80802, 85626, 89780, 93465, 95140, 99045, 124620, 132060, 134670, 139159, 142710, 147467, 161604, 171252, 186930, 198090, 202005, 214065, 269340, 278318, 285420, 294934, 318719, 373860, 396180, 404010, 417477, 428130, 442401, 556636, 589868, 637438, 695795, 737335, 808020, 834954, 856260, 884802, 956157, 1252431, 1274876, 1327203, 1391590, 1474670, 1593595, 1669908, 1769604, 1912314, 2087385, 2212005, 2504862, 2654406, 2783180, 2868471, 2949340, 3187190, 3824628, 4174770, 4424010, 4780785, 5009724, 5308812, 5736942, 6262155, 6374380, 6636015, 8349540, 8848020, 9561570, 9880289, 11473884, 12524310, 13272030, 14342355, 19123140, 19760578, 25048620, 26544060, 28684710, 29640867, 39521156, 49401445, 57369420, 59281734, 88922601, 98802890, 118563468, 148204335, 177845202, 197605780, 296408670, 355690404, 444613005, 592817340, 889226010, 1778452020]

約数ペア:

[(1, 1778452020), (2, 889226010), (3, 592817340), (4, 444613005), (5, 355690404), (6, 296408670), (9, 197605780), (10, 177845202), (12, 148204335), (15, 118563468), (18, 98802890), (20, 88922601), (30, 59281734), (31, 57369420), (36, 49401445), (45, 39521156), (60, 29640867), (62, 28684710), (67, 26544060), (71, 25048620), (90, 19760578), (93, 19123140), (124, 14342355), (134, 13272030), (142, 12524310), (155, 11473884), (180, 9880289), (186, 9561570), (201, 8848020), (213, 8349540), (268, 6636015), (279, 6374380), (284, 6262155), (310, 5736942), (335, 5308812), (355, 5009724), (372, 4780785), (402, 4424010), (426, 4174770), (465, 3824628), (558, 3187190), (603, 2949340), (620, 2868471), (639, 2783180), (670, 2654406), (710, 2504862), (804, 2212005), (852, 2087385), (930, 1912314), (1005, 1769604), (1065, 1669908), (1116, 1593595), (1206, 1474670), (1278, 1391590), (1340, 1327203), (1395, 1274876), (1420, 1252431), (1860, 956157), (2010, 884802), (2077, 856260), (2130, 834954), (2201, 808020), (2412, 737335), (2556, 695795), (2790, 637438), (3015, 589868), (3195, 556636), (4020, 442401), (4154, 428130), (4260, 417477), (4402, 404010), (4489, 396180), (4757, 373860), (5580, 318719), (6030, 294934), (6231, 285420), (6390, 278318), (6603, 269340), (8308, 214065), (8804, 202005), (8978, 198090), (9514, 186930), (10385, 171252), (11005, 161604), (12060, 147467), (12462, 142710), (12780, 139159), (13206, 134670), (13467, 132060), (14271, 124620), (17956, 99045), (18693, 95140), (19028, 93465), (19809, 89780), (20770, 85626), (22010, 80802), (22445, 79236), (23785, 74772), (24924, 71355), (26412, 67335), (26934, 66030), (28542, 62310), (31155, 57084), (33015, 53868), (37386, 47570), (39618, 44890), (40401, 44020), (41540, 42813)]