121438720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 160

約数和(自身を含む): 324822960

約数和(自身を除く): 203384240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 89, 104, 128, 130, 160, 164, 178, 205, 208, 256, 260, 320, 328, 356, 410, 416, 445, 512, 520, 533, 640, 656, 712, 820, 832, 890, 1040, 1066, 1157, 1280, 1312, 1424, 1640, 1664, 1780, 2080, 2132, 2314, 2560, 2624, 2665, 2848, 3280, 3328, 3560, 3649, 4160, 4264, 4628, 5248, 5330, 5696, 5785, 6560, 6656, 7120, 7298, 8320, 8528, 9256, 10496, 10660, 11392, 11570, 13120, 14240, 14596, 16640, 17056, 18245, 18512, 20992, 21320, 22784, 23140, 26240, 28480, 29192, 33280, 34112, 36490, 37024, 42640, 45568, 46280, 47437, 52480, 56960, 58384, 68224, 72980, 74048, 85280, 92560, 94874, 104960, 113920, 116768, 136448, 145960, 148096, 170560, 185120, 189748, 227840, 233536, 237185, 272896, 291920, 296192, 341120, 370240, 379496, 467072, 474370, 583840, 592384, 682240, 740480, 758992, 934144, 948740, 1167680, 1364480, 1480960, 1517984, 1868288, 1897480, 2335360, 2961920, 3035968, 3794960, 4670720, 6071936, 7589920, 9341440, 12143872, 15179840, 24287744, 30359680, 60719360, 121438720]

約数ペア:

[(1, 121438720), (2, 60719360), (4, 30359680), (5, 24287744), (8, 15179840), (10, 12143872), (13, 9341440), (16, 7589920), (20, 6071936), (26, 4670720), (32, 3794960), (40, 3035968), (41, 2961920), (52, 2335360), (64, 1897480), (65, 1868288), (80, 1517984), (82, 1480960), (89, 1364480), (104, 1167680), (128, 948740), (130, 934144), (160, 758992), (164, 740480), (178, 682240), (205, 592384), (208, 583840), (256, 474370), (260, 467072), (320, 379496), (328, 370240), (356, 341120), (410, 296192), (416, 291920), (445, 272896), (512, 237185), (520, 233536), (533, 227840), (640, 189748), (656, 185120), (712, 170560), (820, 148096), (832, 145960), (890, 136448), (1040, 116768), (1066, 113920), (1157, 104960), (1280, 94874), (1312, 92560), (1424, 85280), (1640, 74048), (1664, 72980), (1780, 68224), (2080, 58384), (2132, 56960), (2314, 52480), (2560, 47437), (2624, 46280), (2665, 45568), (2848, 42640), (3280, 37024), (3328, 36490), (3560, 34112), (3649, 33280), (4160, 29192), (4264, 28480), (4628, 26240), (5248, 23140), (5330, 22784), (5696, 21320), (5785, 20992), (6560, 18512), (6656, 18245), (7120, 17056), (7298, 16640), (8320, 14596), (8528, 14240), (9256, 13120), (10496, 11570), (10660, 11392)]