79781940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2753}}^1$

素因数の和:2798

約数の個数: 144

約数和(自身を含む): 288707328

約数和(自身を除く): 208925388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2753, 2898, 3220, 4140, 4830, 5506, 5796, 7245, 8259, 9660, 11012, 13765, 14490, 16518, 19271, 24777, 27530, 28980, 33036, 38542, 41295, 49554, 55060, 57813, 63319, 77084, 82590, 96355, 99108, 115626, 123885, 126638, 165180, 173439, 189957, 192710, 231252, 247770, 253276, 289065, 316595, 346878, 379914, 385420, 443233, 495540, 569871, 578130, 633190, 693756, 759828, 867195, 886466, 949785, 1139742, 1156260, 1266380, 1329699, 1734390, 1772932, 1899570, 2216165, 2279484, 2659398, 2849355, 3468780, 3799140, 3989097, 4432330, 5318796, 5698710, 6648495, 7978194, 8864660, 11397420, 13296990, 15956388, 19945485, 26593980, 39890970, 79781940]

約数ペア:

[(1, 79781940), (2, 39890970), (3, 26593980), (4, 19945485), (5, 15956388), (6, 13296990), (7, 11397420), (9, 8864660), (10, 7978194), (12, 6648495), (14, 5698710), (15, 5318796), (18, 4432330), (20, 3989097), (21, 3799140), (23, 3468780), (28, 2849355), (30, 2659398), (35, 2279484), (36, 2216165), (42, 1899570), (45, 1772932), (46, 1734390), (60, 1329699), (63, 1266380), (69, 1156260), (70, 1139742), (84, 949785), (90, 886466), (92, 867195), (105, 759828), (115, 693756), (126, 633190), (138, 578130), (140, 569871), (161, 495540), (180, 443233), (207, 385420), (210, 379914), (230, 346878), (252, 316595), (276, 289065), (315, 253276), (322, 247770), (345, 231252), (414, 192710), (420, 189957), (460, 173439), (483, 165180), (630, 126638), (644, 123885), (690, 115626), (805, 99108), (828, 96355), (966, 82590), (1035, 77084), (1260, 63319), (1380, 57813), (1449, 55060), (1610, 49554), (1932, 41295), (2070, 38542), (2415, 33036), (2753, 28980), (2898, 27530), (3220, 24777), (4140, 19271), (4830, 16518), (5506, 14490), (5796, 13765), (7245, 11012), (8259, 9660)]