77855920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 160

約数和(自身を含む): 212129280

約数和(自身を除く): 134273360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 23, 34, 38, 40, 46, 68, 76, 80, 85, 92, 95, 115, 131, 136, 152, 170, 184, 190, 230, 262, 272, 304, 323, 340, 368, 380, 391, 437, 460, 524, 646, 655, 680, 760, 782, 874, 920, 1048, 1292, 1310, 1360, 1520, 1564, 1615, 1748, 1840, 1955, 2096, 2185, 2227, 2489, 2584, 2620, 3013, 3128, 3230, 3496, 3910, 4370, 4454, 4978, 5168, 5240, 6026, 6256, 6460, 6992, 7429, 7820, 8740, 8908, 9956, 10480, 11135, 12052, 12445, 12920, 14858, 15065, 15640, 17480, 17816, 19912, 22270, 24104, 24890, 25840, 29716, 30130, 31280, 34960, 35632, 37145, 39824, 42313, 44540, 48208, 49780, 51221, 57247, 59432, 60260, 74290, 84626, 89080, 99560, 102442, 114494, 118864, 120520, 148580, 169252, 178160, 199120, 204884, 211565, 228988, 241040, 256105, 286235, 297160, 338504, 409768, 423130, 457976, 512210, 572470, 594320, 677008, 819536, 846260, 915952, 973199, 1024420, 1144940, 1692520, 1946398, 2048840, 2289880, 3385040, 3892796, 4097680, 4579760, 4865995, 7785592, 9731990, 15571184, 19463980, 38927960, 77855920]

約数ペア:

[(1, 77855920), (2, 38927960), (4, 19463980), (5, 15571184), (8, 9731990), (10, 7785592), (16, 4865995), (17, 4579760), (19, 4097680), (20, 3892796), (23, 3385040), (34, 2289880), (38, 2048840), (40, 1946398), (46, 1692520), (68, 1144940), (76, 1024420), (80, 973199), (85, 915952), (92, 846260), (95, 819536), (115, 677008), (131, 594320), (136, 572470), (152, 512210), (170, 457976), (184, 423130), (190, 409768), (230, 338504), (262, 297160), (272, 286235), (304, 256105), (323, 241040), (340, 228988), (368, 211565), (380, 204884), (391, 199120), (437, 178160), (460, 169252), (524, 148580), (646, 120520), (655, 118864), (680, 114494), (760, 102442), (782, 99560), (874, 89080), (920, 84626), (1048, 74290), (1292, 60260), (1310, 59432), (1360, 57247), (1520, 51221), (1564, 49780), (1615, 48208), (1748, 44540), (1840, 42313), (1955, 39824), (2096, 37145), (2185, 35632), (2227, 34960), (2489, 31280), (2584, 30130), (2620, 29716), (3013, 25840), (3128, 24890), (3230, 24104), (3496, 22270), (3910, 19912), (4370, 17816), (4454, 17480), (4978, 15640), (5168, 15065), (5240, 14858), (6026, 12920), (6256, 12445), (6460, 12052), (6992, 11135), (7429, 10480), (7820, 9956), (8740, 8908)]