31222360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 76557600

約数和(自身を除く): 45335240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 619, 776, 970, 1238, 1261, 1940, 2476, 2522, 3095, 3880, 4952, 5044, 6190, 6305, 8047, 10088, 12380, 12610, 16094, 24760, 25220, 32188, 40235, 50440, 60043, 64376, 80470, 120086, 160940, 240172, 300215, 321880, 480344, 600430, 780559, 1200860, 1561118, 2401720, 3122236, 3902795, 6244472, 7805590, 15611180, 31222360]

約数ペア:

[(1, 31222360), (2, 15611180), (4, 7805590), (5, 6244472), (8, 3902795), (10, 3122236), (13, 2401720), (20, 1561118), (26, 1200860), (40, 780559), (52, 600430), (65, 480344), (97, 321880), (104, 300215), (130, 240172), (194, 160940), (260, 120086), (388, 80470), (485, 64376), (520, 60043), (619, 50440), (776, 40235), (970, 32188), (1238, 25220), (1261, 24760), (1940, 16094), (2476, 12610), (2522, 12380), (3095, 10088), (3880, 8047), (4952, 6305), (5044, 6190)]