64362880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 166464000

約数和(自身を除く): 102101120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 67, 76, 79, 80, 95, 128, 134, 152, 158, 160, 190, 268, 304, 316, 320, 335, 380, 395, 536, 608, 632, 640, 670, 760, 790, 1072, 1216, 1264, 1273, 1340, 1501, 1520, 1580, 2144, 2432, 2528, 2546, 2680, 3002, 3040, 3160, 4288, 5056, 5092, 5293, 5360, 6004, 6080, 6320, 6365, 7505, 8576, 10112, 10184, 10586, 10720, 12008, 12160, 12640, 12730, 15010, 20368, 21172, 21440, 24016, 25280, 25460, 26465, 30020, 40736, 42344, 42880, 48032, 50560, 50920, 52930, 60040, 81472, 84688, 96064, 100567, 101840, 105860, 120080, 162944, 169376, 192128, 201134, 203680, 211720, 240160, 338752, 402268, 407360, 423440, 480320, 502835, 677504, 804536, 814720, 846880, 960640, 1005670, 1609072, 1693760, 2011340, 3218144, 3387520, 4022680, 6436288, 8045360, 12872576, 16090720, 32181440, 64362880]

約数ペア:

[(1, 64362880), (2, 32181440), (4, 16090720), (5, 12872576), (8, 8045360), (10, 6436288), (16, 4022680), (19, 3387520), (20, 3218144), (32, 2011340), (38, 1693760), (40, 1609072), (64, 1005670), (67, 960640), (76, 846880), (79, 814720), (80, 804536), (95, 677504), (128, 502835), (134, 480320), (152, 423440), (158, 407360), (160, 402268), (190, 338752), (268, 240160), (304, 211720), (316, 203680), (320, 201134), (335, 192128), (380, 169376), (395, 162944), (536, 120080), (608, 105860), (632, 101840), (640, 100567), (670, 96064), (760, 84688), (790, 81472), (1072, 60040), (1216, 52930), (1264, 50920), (1273, 50560), (1340, 48032), (1501, 42880), (1520, 42344), (1580, 40736), (2144, 30020), (2432, 26465), (2528, 25460), (2546, 25280), (2680, 24016), (3002, 21440), (3040, 21172), (3160, 20368), (4288, 15010), (5056, 12730), (5092, 12640), (5293, 12160), (5360, 12008), (6004, 10720), (6080, 10586), (6320, 10184), (6365, 10112), (7505, 8576)]