128440320

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 425748960

約数和(自身を除く): 297308640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 113, 120, 128, 148, 160, 185, 192, 222, 226, 240, 256, 296, 320, 339, 370, 384, 444, 452, 480, 512, 555, 565, 592, 640, 678, 740, 768, 888, 904, 960, 1024, 1110, 1130, 1184, 1280, 1356, 1480, 1536, 1695, 1776, 1808, 1920, 2048, 2220, 2260, 2368, 2560, 2712, 2960, 3072, 3390, 3552, 3616, 3840, 4181, 4440, 4520, 4736, 5120, 5424, 5920, 6144, 6780, 7104, 7232, 7680, 8362, 8880, 9040, 9472, 10240, 10848, 11840, 12543, 13560, 14208, 14464, 15360, 16724, 17760, 18080, 18944, 20905, 21696, 23680, 25086, 27120, 28416, 28928, 30720, 33448, 35520, 36160, 37888, 41810, 43392, 47360, 50172, 54240, 56832, 57856, 62715, 66896, 71040, 72320, 75776, 83620, 86784, 94720, 100344, 108480, 113664, 115712, 125430, 133792, 142080, 144640, 167240, 173568, 189440, 200688, 216960, 227328, 231424, 250860, 267584, 284160, 289280, 334480, 347136, 378880, 401376, 433920, 501720, 535168, 568320, 578560, 668960, 694272, 802752, 867840, 1003440, 1070336, 1136640, 1157120, 1337920, 1605504, 1735680, 2006880, 2140672, 2675840, 3211008, 3471360, 4013760, 4281344, 5351680, 6422016, 8027520, 8562688, 10703360, 12844032, 16055040, 21406720, 25688064, 32110080, 42813440, 64220160, 128440320]

約数ペア:

[(1, 128440320), (2, 64220160), (3, 42813440), (4, 32110080), (5, 25688064), (6, 21406720), (8, 16055040), (10, 12844032), (12, 10703360), (15, 8562688), (16, 8027520), (20, 6422016), (24, 5351680), (30, 4281344), (32, 4013760), (37, 3471360), (40, 3211008), (48, 2675840), (60, 2140672), (64, 2006880), (74, 1735680), (80, 1605504), (96, 1337920), (111, 1157120), (113, 1136640), (120, 1070336), (128, 1003440), (148, 867840), (160, 802752), (185, 694272), (192, 668960), (222, 578560), (226, 568320), (240, 535168), (256, 501720), (296, 433920), (320, 401376), (339, 378880), (370, 347136), (384, 334480), (444, 289280), (452, 284160), (480, 267584), (512, 250860), (555, 231424), (565, 227328), (592, 216960), (640, 200688), (678, 189440), (740, 173568), (768, 167240), (888, 144640), (904, 142080), (960, 133792), (1024, 125430), (1110, 115712), (1130, 113664), (1184, 108480), (1280, 100344), (1356, 94720), (1480, 86784), (1536, 83620), (1695, 75776), (1776, 72320), (1808, 71040), (1920, 66896), (2048, 62715), (2220, 57856), (2260, 56832), (2368, 54240), (2560, 50172), (2712, 47360), (2960, 43392), (3072, 41810), (3390, 37888), (3552, 36160), (3616, 35520), (3840, 33448), (4181, 30720), (4440, 28928), (4520, 28416), (4736, 27120), (5120, 25086), (5424, 23680), (5920, 21696), (6144, 20905), (6780, 18944), (7104, 18080), (7232, 17760), (7680, 16724), (8362, 15360), (8880, 14464), (9040, 14208), (9472, 13560), (10240, 12543), (10848, 11840)]