212517760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 256

約数和(自身を含む): 647740800

約数和(自身を除く): 435223040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 52, 56, 64, 65, 70, 80, 82, 89, 91, 104, 112, 128, 130, 140, 160, 164, 178, 182, 205, 208, 224, 260, 280, 287, 320, 328, 356, 364, 410, 416, 445, 448, 455, 520, 533, 560, 574, 623, 640, 656, 712, 728, 820, 832, 890, 896, 910, 1040, 1066, 1120, 1148, 1157, 1246, 1312, 1424, 1435, 1456, 1640, 1664, 1780, 1820, 2080, 2132, 2240, 2296, 2314, 2492, 2624, 2665, 2848, 2870, 2912, 3115, 3280, 3560, 3640, 3649, 3731, 4160, 4264, 4480, 4592, 4628, 4984, 5248, 5330, 5696, 5740, 5785, 5824, 6230, 6560, 7120, 7280, 7298, 7462, 8099, 8320, 8528, 9184, 9256, 9968, 10660, 11392, 11480, 11570, 11648, 12460, 13120, 14240, 14560, 14596, 14924, 16198, 17056, 18245, 18368, 18512, 18655, 19936, 21320, 22960, 23140, 24920, 25543, 26240, 28480, 29120, 29192, 29848, 32396, 34112, 36490, 36736, 37024, 37310, 39872, 40495, 42640, 45920, 46280, 47437, 49840, 51086, 56960, 58240, 58384, 59696, 64792, 68224, 72980, 74048, 74620, 79744, 80990, 85280, 91840, 92560, 94874, 99680, 102172, 116768, 119392, 127715, 129584, 145960, 148096, 149240, 161980, 170560, 183680, 185120, 189748, 199360, 204344, 233536, 237185, 238784, 255430, 259168, 291920, 298480, 323960, 332059, 341120, 370240, 379496, 398720, 408688, 467072, 474370, 477568, 510860, 518336, 583840, 596960, 647920, 664118, 740480, 758992, 817376, 948740, 1021720, 1036672, 1167680, 1193920, 1295840, 1328236, 1517984, 1634752, 1660295, 1897480, 2043440, 2335360, 2387840, 2591680, 2656472, 3035968, 3269504, 3320590, 3794960, 4086880, 5183360, 5312944, 6071936, 6641180, 7589920, 8173760, 10625888, 13282360, 15179840, 16347520, 21251776, 26564720, 30359680, 42503552, 53129440, 106258880, 212517760]

約数ペア:

[(1, 212517760), (2, 106258880), (4, 53129440), (5, 42503552), (7, 30359680), (8, 26564720), (10, 21251776), (13, 16347520), (14, 15179840), (16, 13282360), (20, 10625888), (26, 8173760), (28, 7589920), (32, 6641180), (35, 6071936), (40, 5312944), (41, 5183360), (52, 4086880), (56, 3794960), (64, 3320590), (65, 3269504), (70, 3035968), (80, 2656472), (82, 2591680), (89, 2387840), (91, 2335360), (104, 2043440), (112, 1897480), (128, 1660295), (130, 1634752), (140, 1517984), (160, 1328236), (164, 1295840), (178, 1193920), (182, 1167680), (205, 1036672), (208, 1021720), (224, 948740), (260, 817376), (280, 758992), (287, 740480), (320, 664118), (328, 647920), (356, 596960), (364, 583840), (410, 518336), (416, 510860), (445, 477568), (448, 474370), (455, 467072), (520, 408688), (533, 398720), (560, 379496), (574, 370240), (623, 341120), (640, 332059), (656, 323960), (712, 298480), (728, 291920), (820, 259168), (832, 255430), (890, 238784), (896, 237185), (910, 233536), (1040, 204344), (1066, 199360), (1120, 189748), (1148, 185120), (1157, 183680), (1246, 170560), (1312, 161980), (1424, 149240), (1435, 148096), (1456, 145960), (1640, 129584), (1664, 127715), (1780, 119392), (1820, 116768), (2080, 102172), (2132, 99680), (2240, 94874), (2296, 92560), (2314, 91840), (2492, 85280), (2624, 80990), (2665, 79744), (2848, 74620), (2870, 74048), (2912, 72980), (3115, 68224), (3280, 64792), (3560, 59696), (3640, 58384), (3649, 58240), (3731, 56960), (4160, 51086), (4264, 49840), (4480, 47437), (4592, 46280), (4628, 45920), (4984, 42640), (5248, 40495), (5330, 39872), (5696, 37310), (5740, 37024), (5785, 36736), (5824, 36490), (6230, 34112), (6560, 32396), (7120, 29848), (7280, 29192), (7298, 29120), (7462, 28480), (8099, 26240), (8320, 25543), (8528, 24920), (9184, 23140), (9256, 22960), (9968, 21320), (10660, 19936), (11392, 18655), (11480, 18512), (11570, 18368), (11648, 18245), (12460, 17056), (13120, 16198), (14240, 14924), (14560, 14596)]