212921600

素因数分解:

$2^8\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 216

約数和(自身を含む): 593087040

約数和(自身を除く): 380165440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 50, 64, 68, 76, 80, 85, 95, 100, 103, 128, 136, 152, 160, 170, 190, 200, 206, 256, 272, 304, 320, 323, 340, 380, 400, 412, 425, 475, 515, 544, 608, 640, 646, 680, 760, 800, 824, 850, 950, 1030, 1088, 1216, 1280, 1292, 1360, 1520, 1600, 1615, 1648, 1700, 1751, 1900, 1957, 2060, 2176, 2432, 2575, 2584, 2720, 3040, 3200, 3230, 3296, 3400, 3502, 3800, 3914, 4120, 4352, 4864, 5150, 5168, 5440, 6080, 6400, 6460, 6592, 6800, 7004, 7600, 7828, 8075, 8240, 8755, 9785, 10300, 10336, 10880, 12160, 12920, 13184, 13600, 14008, 15200, 15656, 16150, 16480, 17510, 19570, 20600, 20672, 21760, 24320, 25840, 26368, 27200, 28016, 30400, 31312, 32300, 32960, 33269, 35020, 39140, 41200, 41344, 43775, 48925, 51680, 54400, 56032, 60800, 62624, 64600, 65920, 66538, 70040, 78280, 82400, 82688, 87550, 97850, 103360, 108800, 112064, 121600, 125248, 129200, 131840, 133076, 140080, 156560, 164800, 166345, 175100, 195700, 206720, 224128, 250496, 258400, 266152, 280160, 313120, 329600, 332690, 350200, 391400, 413440, 448256, 500992, 516800, 532304, 560320, 626240, 659200, 665380, 700400, 782800, 831725, 1033600, 1064608, 1120640, 1252480, 1330760, 1400800, 1565600, 1663450, 2067200, 2129216, 2241280, 2504960, 2661520, 2801600, 3131200, 3326900, 4258432, 5323040, 5603200, 6262400, 6653800, 8516864, 10646080, 11206400, 12524800, 13307600, 21292160, 26615200, 42584320, 53230400, 106460800, 212921600]

約数ペア:

[(1, 212921600), (2, 106460800), (4, 53230400), (5, 42584320), (8, 26615200), (10, 21292160), (16, 13307600), (17, 12524800), (19, 11206400), (20, 10646080), (25, 8516864), (32, 6653800), (34, 6262400), (38, 5603200), (40, 5323040), (50, 4258432), (64, 3326900), (68, 3131200), (76, 2801600), (80, 2661520), (85, 2504960), (95, 2241280), (100, 2129216), (103, 2067200), (128, 1663450), (136, 1565600), (152, 1400800), (160, 1330760), (170, 1252480), (190, 1120640), (200, 1064608), (206, 1033600), (256, 831725), (272, 782800), (304, 700400), (320, 665380), (323, 659200), (340, 626240), (380, 560320), (400, 532304), (412, 516800), (425, 500992), (475, 448256), (515, 413440), (544, 391400), (608, 350200), (640, 332690), (646, 329600), (680, 313120), (760, 280160), (800, 266152), (824, 258400), (850, 250496), (950, 224128), (1030, 206720), (1088, 195700), (1216, 175100), (1280, 166345), (1292, 164800), (1360, 156560), (1520, 140080), (1600, 133076), (1615, 131840), (1648, 129200), (1700, 125248), (1751, 121600), (1900, 112064), (1957, 108800), (2060, 103360), (2176, 97850), (2432, 87550), (2575, 82688), (2584, 82400), (2720, 78280), (3040, 70040), (3200, 66538), (3230, 65920), (3296, 64600), (3400, 62624), (3502, 60800), (3800, 56032), (3914, 54400), (4120, 51680), (4352, 48925), (4864, 43775), (5150, 41344), (5168, 41200), (5440, 39140), (6080, 35020), (6400, 33269), (6460, 32960), (6592, 32300), (6800, 31312), (7004, 30400), (7600, 28016), (7828, 27200), (8075, 26368), (8240, 25840), (8755, 24320), (9785, 21760), (10300, 20672), (10336, 20600), (10880, 19570), (12160, 17510), (12920, 16480), (13184, 16150), (13600, 15656), (14008, 15200)]