79182880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 228795840

約数和(自身を除く): 149612960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 61, 70, 76, 80, 95, 112, 122, 133, 140, 152, 160, 190, 224, 244, 266, 280, 304, 305, 380, 427, 488, 532, 560, 608, 610, 665, 760, 854, 976, 1064, 1120, 1159, 1220, 1330, 1520, 1708, 1952, 2128, 2135, 2318, 2440, 2660, 3040, 3416, 3721, 4256, 4270, 4636, 4880, 5320, 5795, 6832, 7442, 8113, 8540, 9272, 9760, 10640, 11590, 13664, 14884, 16226, 17080, 18544, 18605, 21280, 23180, 26047, 29768, 32452, 34160, 37088, 37210, 40565, 46360, 52094, 59536, 64904, 68320, 70699, 74420, 81130, 92720, 104188, 119072, 129808, 130235, 141398, 148840, 162260, 185440, 208376, 259616, 260470, 282796, 297680, 324520, 353495, 416752, 494893, 520940, 565592, 595360, 649040, 706990, 833504, 989786, 1041880, 1131184, 1298080, 1413980, 1979572, 2083760, 2262368, 2474465, 2827960, 3959144, 4167520, 4948930, 5655920, 7918288, 9897860, 11311840, 15836576, 19795720, 39591440, 79182880]

約数ペア:

[(1, 79182880), (2, 39591440), (4, 19795720), (5, 15836576), (7, 11311840), (8, 9897860), (10, 7918288), (14, 5655920), (16, 4948930), (19, 4167520), (20, 3959144), (28, 2827960), (32, 2474465), (35, 2262368), (38, 2083760), (40, 1979572), (56, 1413980), (61, 1298080), (70, 1131184), (76, 1041880), (80, 989786), (95, 833504), (112, 706990), (122, 649040), (133, 595360), (140, 565592), (152, 520940), (160, 494893), (190, 416752), (224, 353495), (244, 324520), (266, 297680), (280, 282796), (304, 260470), (305, 259616), (380, 208376), (427, 185440), (488, 162260), (532, 148840), (560, 141398), (608, 130235), (610, 129808), (665, 119072), (760, 104188), (854, 92720), (976, 81130), (1064, 74420), (1120, 70699), (1159, 68320), (1220, 64904), (1330, 59536), (1520, 52094), (1708, 46360), (1952, 40565), (2128, 37210), (2135, 37088), (2318, 34160), (2440, 32452), (2660, 29768), (3040, 26047), (3416, 23180), (3721, 21280), (4256, 18605), (4270, 18544), (4636, 17080), (4880, 16226), (5320, 14884), (5795, 13664), (6832, 11590), (7442, 10640), (8113, 9760), (8540, 9272)]