257395680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4831}}^1$

素因数の和:4889

約数の個数: 144

約数和(自身を含む): 902289024

約数和(自身を除く): 644893344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 888, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 3552, 4440, 4831, 5328, 5920, 6660, 8880, 9662, 10656, 13320, 14493, 17760, 19324, 24155, 26640, 28986, 38648, 43479, 48310, 53280, 57972, 72465, 77296, 86958, 96620, 115944, 144930, 154592, 173916, 178747, 193240, 217395, 231888, 289860, 347832, 357494, 386480, 434790, 463776, 536241, 579720, 695664, 714988, 772960, 869580, 893735, 1072482, 1159440, 1391328, 1429976, 1608723, 1739160, 1787470, 2144964, 2318880, 2681205, 2859952, 3217446, 3478320, 3574940, 4289928, 5362410, 5719904, 6434892, 6956640, 7149880, 8043615, 8579856, 10724820, 12869784, 14299760, 16087230, 17159712, 21449640, 25739568, 28599520, 32174460, 42899280, 51479136, 64348920, 85798560, 128697840, 257395680]

約数ペア:

[(1, 257395680), (2, 128697840), (3, 85798560), (4, 64348920), (5, 51479136), (6, 42899280), (8, 32174460), (9, 28599520), (10, 25739568), (12, 21449640), (15, 17159712), (16, 16087230), (18, 14299760), (20, 12869784), (24, 10724820), (30, 8579856), (32, 8043615), (36, 7149880), (37, 6956640), (40, 6434892), (45, 5719904), (48, 5362410), (60, 4289928), (72, 3574940), (74, 3478320), (80, 3217446), (90, 2859952), (96, 2681205), (111, 2318880), (120, 2144964), (144, 1787470), (148, 1739160), (160, 1608723), (180, 1429976), (185, 1391328), (222, 1159440), (240, 1072482), (288, 893735), (296, 869580), (333, 772960), (360, 714988), (370, 695664), (444, 579720), (480, 536241), (555, 463776), (592, 434790), (666, 386480), (720, 357494), (740, 347832), (888, 289860), (1110, 231888), (1184, 217395), (1332, 193240), (1440, 178747), (1480, 173916), (1665, 154592), (1776, 144930), (2220, 115944), (2664, 96620), (2960, 86958), (3330, 77296), (3552, 72465), (4440, 57972), (4831, 53280), (5328, 48310), (5920, 43479), (6660, 38648), (8880, 28986), (9662, 26640), (10656, 24155), (13320, 19324), (14493, 17760)]