728404480

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 160

約数和(自身を含む): 1856131200

約数和(自身を除く): 1127726720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 139, 160, 178, 184, 230, 256, 278, 320, 356, 368, 445, 460, 512, 556, 640, 695, 712, 736, 890, 920, 1112, 1280, 1390, 1424, 1472, 1780, 1840, 2047, 2224, 2560, 2780, 2848, 2944, 3197, 3560, 3680, 4094, 4448, 5560, 5696, 5888, 6394, 7120, 7360, 8188, 8896, 10235, 11120, 11392, 11776, 12371, 12788, 14240, 14720, 15985, 16376, 17792, 20470, 22240, 22784, 24742, 25576, 28480, 29440, 31970, 32752, 35584, 40940, 44480, 45568, 49484, 51152, 56960, 58880, 61855, 63940, 65504, 71168, 81880, 88960, 98968, 102304, 113920, 123710, 127880, 131008, 163760, 177920, 197936, 204608, 227840, 247420, 255760, 262016, 284533, 327520, 355840, 395872, 409216, 494840, 511520, 524032, 569066, 655040, 791744, 818432, 989680, 1023040, 1048064, 1138132, 1310080, 1422665, 1583488, 1636864, 1979360, 2046080, 2276264, 2620160, 2845330, 3166976, 3958720, 4092160, 4552528, 5240320, 5690660, 6333952, 7917440, 8184320, 9105056, 11381320, 15834880, 18210112, 22762640, 31669760, 36420224, 45525280, 72840448, 91050560, 145680896, 182101120, 364202240, 728404480]

約数ペア:

[(1, 728404480), (2, 364202240), (4, 182101120), (5, 145680896), (8, 91050560), (10, 72840448), (16, 45525280), (20, 36420224), (23, 31669760), (32, 22762640), (40, 18210112), (46, 15834880), (64, 11381320), (80, 9105056), (89, 8184320), (92, 7917440), (115, 6333952), (128, 5690660), (139, 5240320), (160, 4552528), (178, 4092160), (184, 3958720), (230, 3166976), (256, 2845330), (278, 2620160), (320, 2276264), (356, 2046080), (368, 1979360), (445, 1636864), (460, 1583488), (512, 1422665), (556, 1310080), (640, 1138132), (695, 1048064), (712, 1023040), (736, 989680), (890, 818432), (920, 791744), (1112, 655040), (1280, 569066), (1390, 524032), (1424, 511520), (1472, 494840), (1780, 409216), (1840, 395872), (2047, 355840), (2224, 327520), (2560, 284533), (2780, 262016), (2848, 255760), (2944, 247420), (3197, 227840), (3560, 204608), (3680, 197936), (4094, 177920), (4448, 163760), (5560, 131008), (5696, 127880), (5888, 123710), (6394, 113920), (7120, 102304), (7360, 98968), (8188, 88960), (8896, 81880), (10235, 71168), (11120, 65504), (11392, 63940), (11776, 61855), (12371, 58880), (12788, 56960), (14240, 51152), (14720, 49484), (15985, 45568), (16376, 44480), (17792, 40940), (20470, 35584), (22240, 32752), (22784, 31970), (24742, 29440), (25576, 28480)]