990154480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:603

約数の個数: 160

約数和(自身を含む): 2723289984

約数和(自身を除く): 1733135504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 73, 80, 106, 112, 140, 146, 212, 265, 280, 292, 365, 371, 424, 457, 511, 530, 560, 584, 730, 742, 848, 914, 1022, 1060, 1168, 1460, 1484, 1828, 1855, 2044, 2120, 2285, 2555, 2920, 2968, 3199, 3656, 3710, 3869, 4088, 4240, 4570, 5110, 5840, 5936, 6398, 7312, 7420, 7738, 8176, 9140, 10220, 12796, 14840, 15476, 15995, 18280, 19345, 20440, 24221, 25592, 27083, 29680, 30952, 31990, 33361, 36560, 38690, 40880, 48442, 51184, 54166, 61904, 63980, 66722, 77380, 96884, 108332, 121105, 127960, 133444, 135415, 154760, 166805, 169547, 193768, 216664, 233527, 242210, 255920, 266888, 270830, 309520, 333610, 339094, 387536, 433328, 467054, 484420, 533776, 541660, 667220, 678188, 847735, 934108, 968840, 1083320, 1167635, 1334440, 1356376, 1695470, 1768133, 1868216, 1937680, 2166640, 2335270, 2668880, 2712752, 3390940, 3536266, 3736432, 4670540, 6781880, 7072532, 8840665, 9341080, 12376931, 13563760, 14145064, 17681330, 18682160, 24753862, 28290128, 35362660, 49507724, 61884655, 70725320, 99015448, 123769310, 141450640, 198030896, 247538620, 495077240, 990154480]

約数ペア:

[(1, 990154480), (2, 495077240), (4, 247538620), (5, 198030896), (7, 141450640), (8, 123769310), (10, 99015448), (14, 70725320), (16, 61884655), (20, 49507724), (28, 35362660), (35, 28290128), (40, 24753862), (53, 18682160), (56, 17681330), (70, 14145064), (73, 13563760), (80, 12376931), (106, 9341080), (112, 8840665), (140, 7072532), (146, 6781880), (212, 4670540), (265, 3736432), (280, 3536266), (292, 3390940), (365, 2712752), (371, 2668880), (424, 2335270), (457, 2166640), (511, 1937680), (530, 1868216), (560, 1768133), (584, 1695470), (730, 1356376), (742, 1334440), (848, 1167635), (914, 1083320), (1022, 968840), (1060, 934108), (1168, 847735), (1460, 678188), (1484, 667220), (1828, 541660), (1855, 533776), (2044, 484420), (2120, 467054), (2285, 433328), (2555, 387536), (2920, 339094), (2968, 333610), (3199, 309520), (3656, 270830), (3710, 266888), (3869, 255920), (4088, 242210), (4240, 233527), (4570, 216664), (5110, 193768), (5840, 169547), (5936, 166805), (6398, 154760), (7312, 135415), (7420, 133444), (7738, 127960), (8176, 121105), (9140, 108332), (10220, 96884), (12796, 77380), (14840, 66722), (15476, 63980), (15995, 61904), (18280, 54166), (19345, 51184), (20440, 48442), (24221, 40880), (25592, 38690), (27083, 36560), (29680, 33361), (30952, 31990)]