164929880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 411264000

約数和(自身を除く): 246334120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 67, 76, 79, 82, 95, 134, 152, 158, 164, 190, 205, 268, 316, 328, 335, 380, 395, 410, 536, 632, 670, 760, 779, 790, 820, 1273, 1340, 1501, 1558, 1580, 1640, 2546, 2680, 2747, 3002, 3116, 3160, 3239, 3895, 5092, 5293, 5494, 6004, 6232, 6365, 6478, 7505, 7790, 10184, 10586, 10988, 12008, 12730, 12956, 13735, 15010, 15580, 16195, 21172, 21976, 25460, 25912, 26465, 27470, 30020, 31160, 32390, 42344, 50920, 52193, 52930, 54940, 60040, 61541, 64780, 100567, 104386, 105860, 109880, 123082, 129560, 201134, 208772, 211720, 217013, 246164, 260965, 307705, 402268, 417544, 434026, 492328, 502835, 521930, 615410, 804536, 868052, 1005670, 1043860, 1085065, 1230820, 1736104, 2011340, 2087720, 2170130, 2461640, 4022680, 4123247, 4340260, 8246494, 8680520, 16492988, 20616235, 32985976, 41232470, 82464940, 164929880]

約数ペア:

[(1, 164929880), (2, 82464940), (4, 41232470), (5, 32985976), (8, 20616235), (10, 16492988), (19, 8680520), (20, 8246494), (38, 4340260), (40, 4123247), (41, 4022680), (67, 2461640), (76, 2170130), (79, 2087720), (82, 2011340), (95, 1736104), (134, 1230820), (152, 1085065), (158, 1043860), (164, 1005670), (190, 868052), (205, 804536), (268, 615410), (316, 521930), (328, 502835), (335, 492328), (380, 434026), (395, 417544), (410, 402268), (536, 307705), (632, 260965), (670, 246164), (760, 217013), (779, 211720), (790, 208772), (820, 201134), (1273, 129560), (1340, 123082), (1501, 109880), (1558, 105860), (1580, 104386), (1640, 100567), (2546, 64780), (2680, 61541), (2747, 60040), (3002, 54940), (3116, 52930), (3160, 52193), (3239, 50920), (3895, 42344), (5092, 32390), (5293, 31160), (5494, 30020), (6004, 27470), (6232, 26465), (6365, 25912), (6478, 25460), (7505, 21976), (7790, 21172), (10184, 16195), (10586, 15580), (10988, 15010), (12008, 13735), (12730, 12956)]