851072320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20040

約数の個数: 112

約数和(自身を含む): 2438156160

約数和(自身を除く): 1587083840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2660, 3040, 4256, 5320, 6080, 8512, 10640, 19997, 21280, 39994, 42560, 79988, 99985, 139979, 159976, 199970, 279958, 319952, 379943, 399940, 559916, 639904, 699895, 759886, 799880, 1119832, 1279808, 1399790, 1519772, 1599760, 1899715, 2239664, 2659601, 2799580, 3039544, 3199520, 3799430, 4479328, 5319202, 5599160, 6079088, 6399040, 7598860, 8958656, 10638404, 11198320, 12158176, 13298005, 15197720, 21276808, 22396640, 24316352, 26596010, 30395440, 42553616, 44793280, 53192020, 60790880, 85107232, 106384040, 121581760, 170214464, 212768080, 425536160, 851072320]

約数ペア:

[(1, 851072320), (2, 425536160), (4, 212768080), (5, 170214464), (7, 121581760), (8, 106384040), (10, 85107232), (14, 60790880), (16, 53192020), (19, 44793280), (20, 42553616), (28, 30395440), (32, 26596010), (35, 24316352), (38, 22396640), (40, 21276808), (56, 15197720), (64, 13298005), (70, 12158176), (76, 11198320), (80, 10638404), (95, 8958656), (112, 7598860), (133, 6399040), (140, 6079088), (152, 5599160), (160, 5319202), (190, 4479328), (224, 3799430), (266, 3199520), (280, 3039544), (304, 2799580), (320, 2659601), (380, 2239664), (448, 1899715), (532, 1599760), (560, 1519772), (608, 1399790), (665, 1279808), (760, 1119832), (1064, 799880), (1120, 759886), (1216, 699895), (1330, 639904), (1520, 559916), (2128, 399940), (2240, 379943), (2660, 319952), (3040, 279958), (4256, 199970), (5320, 159976), (6080, 139979), (8512, 99985), (10640, 79988), (19997, 42560), (21280, 39994)]