399828480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:764

約数の個数: 160

約数和(自身を含む): 1296345600

約数和(自身を除く): 896517120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 512, 632, 640, 659, 768, 790, 948, 960, 1185, 1264, 1280, 1318, 1536, 1580, 1896, 1920, 1977, 2370, 2528, 2560, 2636, 3160, 3295, 3792, 3840, 3954, 4740, 5056, 5272, 6320, 6590, 7584, 7680, 7908, 9480, 9885, 10112, 10544, 12640, 13180, 15168, 15816, 18960, 19770, 20224, 21088, 25280, 26360, 30336, 31632, 37920, 39540, 40448, 42176, 50560, 52061, 52720, 60672, 63264, 75840, 79080, 84352, 101120, 104122, 105440, 121344, 126528, 151680, 156183, 158160, 168704, 202240, 208244, 210880, 253056, 260305, 303360, 312366, 316320, 337408, 416488, 421760, 506112, 520610, 606720, 624732, 632640, 780915, 832976, 843520, 1012224, 1041220, 1249464, 1265280, 1561830, 1665952, 1687040, 2082440, 2498928, 2530560, 3123660, 3331904, 4164880, 4997856, 5061120, 6247320, 6663808, 8329760, 9995712, 12494640, 13327616, 16659520, 19991424, 24989280, 26655232, 33319040, 39982848, 49978560, 66638080, 79965696, 99957120, 133276160, 199914240, 399828480]

約数ペア:

[(1, 399828480), (2, 199914240), (3, 133276160), (4, 99957120), (5, 79965696), (6, 66638080), (8, 49978560), (10, 39982848), (12, 33319040), (15, 26655232), (16, 24989280), (20, 19991424), (24, 16659520), (30, 13327616), (32, 12494640), (40, 9995712), (48, 8329760), (60, 6663808), (64, 6247320), (79, 5061120), (80, 4997856), (96, 4164880), (120, 3331904), (128, 3123660), (158, 2530560), (160, 2498928), (192, 2082440), (237, 1687040), (240, 1665952), (256, 1561830), (316, 1265280), (320, 1249464), (384, 1041220), (395, 1012224), (474, 843520), (480, 832976), (512, 780915), (632, 632640), (640, 624732), (659, 606720), (768, 520610), (790, 506112), (948, 421760), (960, 416488), (1185, 337408), (1264, 316320), (1280, 312366), (1318, 303360), (1536, 260305), (1580, 253056), (1896, 210880), (1920, 208244), (1977, 202240), (2370, 168704), (2528, 158160), (2560, 156183), (2636, 151680), (3160, 126528), (3295, 121344), (3792, 105440), (3840, 104122), (3954, 101120), (4740, 84352), (5056, 79080), (5272, 75840), (6320, 63264), (6590, 60672), (7584, 52720), (7680, 52061), (7908, 50560), (9480, 42176), (9885, 40448), (10112, 39540), (10544, 37920), (12640, 31632), (13180, 30336), (15168, 26360), (15816, 25280), (18960, 21088), (19770, 20224)]