31890420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7703}}^1$

素因数の和:7741

約数の個数: 72

約数和(自身を含む): 100953216

約数和(自身を除く): 69062796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7703, 15406, 23109, 30812, 38515, 46218, 69327, 77030, 92436, 115545, 138654, 154060, 177169, 231090, 277308, 346635, 354338, 462180, 531507, 693270, 708676, 885845, 1063014, 1386540, 1594521, 1771690, 2126028, 2657535, 3189042, 3543380, 5315070, 6378084, 7972605, 10630140, 15945210, 31890420]

約数ペア:

[(1, 31890420), (2, 15945210), (3, 10630140), (4, 7972605), (5, 6378084), (6, 5315070), (9, 3543380), (10, 3189042), (12, 2657535), (15, 2126028), (18, 1771690), (20, 1594521), (23, 1386540), (30, 1063014), (36, 885845), (45, 708676), (46, 693270), (60, 531507), (69, 462180), (90, 354338), (92, 346635), (115, 277308), (138, 231090), (180, 177169), (207, 154060), (230, 138654), (276, 115545), (345, 92436), (414, 77030), (460, 69327), (690, 46218), (828, 38515), (1035, 30812), (1380, 23109), (2070, 15406), (4140, 7703)]