78238720

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 176

約数和(自身を含む): 224023680

約数和(自身を除く): 145784960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 59, 64, 70, 74, 80, 112, 118, 128, 140, 148, 160, 185, 224, 236, 256, 259, 280, 295, 296, 320, 370, 413, 448, 472, 512, 518, 560, 590, 592, 640, 740, 826, 896, 944, 1024, 1036, 1120, 1180, 1184, 1280, 1295, 1480, 1652, 1792, 1888, 2065, 2072, 2183, 2240, 2360, 2368, 2560, 2590, 2960, 3304, 3584, 3776, 4130, 4144, 4366, 4480, 4720, 4736, 5120, 5180, 5920, 6608, 7168, 7552, 8260, 8288, 8732, 8960, 9440, 9472, 10360, 10915, 11840, 13216, 15104, 15281, 16520, 16576, 17464, 17920, 18880, 18944, 20720, 21830, 23680, 26432, 30208, 30562, 33040, 33152, 34928, 35840, 37760, 37888, 41440, 43660, 47360, 52864, 60416, 61124, 66080, 66304, 69856, 75520, 76405, 82880, 87320, 94720, 105728, 122248, 132160, 132608, 139712, 151040, 152810, 165760, 174640, 189440, 211456, 244496, 264320, 265216, 279424, 302080, 305620, 331520, 349280, 422912, 488992, 528640, 558848, 611240, 663040, 698560, 977984, 1057280, 1117696, 1222480, 1326080, 1397120, 1955968, 2114560, 2235392, 2444960, 2794240, 3911936, 4889920, 5588480, 7823872, 9779840, 11176960, 15647744, 19559680, 39119360, 78238720]

約数ペア:

[(1, 78238720), (2, 39119360), (4, 19559680), (5, 15647744), (7, 11176960), (8, 9779840), (10, 7823872), (14, 5588480), (16, 4889920), (20, 3911936), (28, 2794240), (32, 2444960), (35, 2235392), (37, 2114560), (40, 1955968), (56, 1397120), (59, 1326080), (64, 1222480), (70, 1117696), (74, 1057280), (80, 977984), (112, 698560), (118, 663040), (128, 611240), (140, 558848), (148, 528640), (160, 488992), (185, 422912), (224, 349280), (236, 331520), (256, 305620), (259, 302080), (280, 279424), (295, 265216), (296, 264320), (320, 244496), (370, 211456), (413, 189440), (448, 174640), (472, 165760), (512, 152810), (518, 151040), (560, 139712), (590, 132608), (592, 132160), (640, 122248), (740, 105728), (826, 94720), (896, 87320), (944, 82880), (1024, 76405), (1036, 75520), (1120, 69856), (1180, 66304), (1184, 66080), (1280, 61124), (1295, 60416), (1480, 52864), (1652, 47360), (1792, 43660), (1888, 41440), (2065, 37888), (2072, 37760), (2183, 35840), (2240, 34928), (2360, 33152), (2368, 33040), (2560, 30562), (2590, 30208), (2960, 26432), (3304, 23680), (3584, 21830), (3776, 20720), (4130, 18944), (4144, 18880), (4366, 17920), (4480, 17464), (4720, 16576), (4736, 16520), (5120, 15281), (5180, 15104), (5920, 13216), (6608, 11840), (7168, 10915), (7552, 10360), (8260, 9472), (8288, 9440), (8732, 8960)]