163975140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:922

約数の個数: 144

約数和(自身を含む): 572382720

約数和(自身を除く): 408407580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 181, 210, 252, 315, 362, 420, 543, 630, 719, 724, 905, 1086, 1260, 1267, 1438, 1629, 1810, 2157, 2172, 2534, 2715, 2876, 3258, 3595, 3620, 3801, 4314, 5033, 5068, 5430, 6335, 6471, 6516, 7190, 7602, 8145, 8628, 10066, 10785, 10860, 11403, 12670, 12942, 14380, 15099, 15204, 16290, 19005, 20132, 21570, 22806, 25165, 25340, 25884, 30198, 32355, 32580, 38010, 43140, 45297, 45612, 50330, 57015, 60396, 64710, 75495, 76020, 90594, 100660, 114030, 129420, 130139, 150990, 181188, 226485, 228060, 260278, 301980, 390417, 452970, 520556, 650695, 780834, 905940, 910973, 1171251, 1301390, 1561668, 1821946, 1952085, 2342502, 2602780, 2732919, 3643892, 3904170, 4554865, 4685004, 5465838, 5856255, 7808340, 8198757, 9109730, 10931676, 11712510, 13664595, 16397514, 18219460, 23425020, 27329190, 32795028, 40993785, 54658380, 81987570, 163975140]

約数ペア:

[(1, 163975140), (2, 81987570), (3, 54658380), (4, 40993785), (5, 32795028), (6, 27329190), (7, 23425020), (9, 18219460), (10, 16397514), (12, 13664595), (14, 11712510), (15, 10931676), (18, 9109730), (20, 8198757), (21, 7808340), (28, 5856255), (30, 5465838), (35, 4685004), (36, 4554865), (42, 3904170), (45, 3643892), (60, 2732919), (63, 2602780), (70, 2342502), (84, 1952085), (90, 1821946), (105, 1561668), (126, 1301390), (140, 1171251), (180, 910973), (181, 905940), (210, 780834), (252, 650695), (315, 520556), (362, 452970), (420, 390417), (543, 301980), (630, 260278), (719, 228060), (724, 226485), (905, 181188), (1086, 150990), (1260, 130139), (1267, 129420), (1438, 114030), (1629, 100660), (1810, 90594), (2157, 76020), (2172, 75495), (2534, 64710), (2715, 60396), (2876, 57015), (3258, 50330), (3595, 45612), (3620, 45297), (3801, 43140), (4314, 38010), (5033, 32580), (5068, 32355), (5430, 30198), (6335, 25884), (6471, 25340), (6516, 25165), (7190, 22806), (7602, 21570), (8145, 20132), (8628, 19005), (10066, 16290), (10785, 15204), (10860, 15099), (11403, 14380), (12670, 12942)]