203655680

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 160

約数和(自身を含む): 530323200

約数和(自身を除く): 326667520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 79, 80, 95, 106, 128, 152, 158, 160, 190, 212, 256, 265, 304, 316, 320, 380, 395, 424, 512, 530, 608, 632, 640, 760, 790, 848, 1007, 1060, 1216, 1264, 1280, 1501, 1520, 1580, 1696, 2014, 2120, 2432, 2528, 2560, 3002, 3040, 3160, 3392, 4028, 4187, 4240, 4864, 5035, 5056, 6004, 6080, 6320, 6784, 7505, 8056, 8374, 8480, 9728, 10070, 10112, 12008, 12160, 12640, 13568, 15010, 16112, 16748, 16960, 20140, 20224, 20935, 24016, 24320, 25280, 27136, 30020, 32224, 33496, 33920, 40280, 40448, 41870, 48032, 48640, 50560, 60040, 64448, 66992, 67840, 79553, 80560, 83740, 96064, 101120, 120080, 128896, 133984, 135680, 159106, 161120, 167480, 192128, 202240, 240160, 257792, 267968, 318212, 322240, 334960, 384256, 397765, 480320, 515584, 535936, 636424, 644480, 669920, 768512, 795530, 960640, 1071872, 1272848, 1288960, 1339840, 1591060, 1921280, 2143744, 2545696, 2577920, 2679680, 3182120, 3842560, 5091392, 5359360, 6364240, 10182784, 10718720, 12728480, 20365568, 25456960, 40731136, 50913920, 101827840, 203655680]

約数ペア:

[(1, 203655680), (2, 101827840), (4, 50913920), (5, 40731136), (8, 25456960), (10, 20365568), (16, 12728480), (19, 10718720), (20, 10182784), (32, 6364240), (38, 5359360), (40, 5091392), (53, 3842560), (64, 3182120), (76, 2679680), (79, 2577920), (80, 2545696), (95, 2143744), (106, 1921280), (128, 1591060), (152, 1339840), (158, 1288960), (160, 1272848), (190, 1071872), (212, 960640), (256, 795530), (265, 768512), (304, 669920), (316, 644480), (320, 636424), (380, 535936), (395, 515584), (424, 480320), (512, 397765), (530, 384256), (608, 334960), (632, 322240), (640, 318212), (760, 267968), (790, 257792), (848, 240160), (1007, 202240), (1060, 192128), (1216, 167480), (1264, 161120), (1280, 159106), (1501, 135680), (1520, 133984), (1580, 128896), (1696, 120080), (2014, 101120), (2120, 96064), (2432, 83740), (2528, 80560), (2560, 79553), (3002, 67840), (3040, 66992), (3160, 64448), (3392, 60040), (4028, 50560), (4187, 48640), (4240, 48032), (4864, 41870), (5035, 40448), (5056, 40280), (6004, 33920), (6080, 33496), (6320, 32224), (6784, 30020), (7505, 27136), (8056, 25280), (8374, 24320), (8480, 24016), (9728, 20935), (10070, 20224), (10112, 20140), (12008, 16960), (12160, 16748), (12640, 16112), (13568, 15010)]