28351920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6949}}^1$

素因数の和:6982

約数の個数: 80

約数和(自身を含む): 93074400

約数和(自身を除く): 64722480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 6949, 13898, 20847, 27796, 34745, 41694, 55592, 69490, 83388, 104235, 111184, 118133, 138980, 166776, 208470, 236266, 277960, 333552, 354399, 416940, 472532, 555920, 590665, 708798, 833880, 945064, 1181330, 1417596, 1667760, 1771995, 1890128, 2362660, 2835192, 3543990, 4725320, 5670384, 7087980, 9450640, 14175960, 28351920]

約数ペア:

[(1, 28351920), (2, 14175960), (3, 9450640), (4, 7087980), (5, 5670384), (6, 4725320), (8, 3543990), (10, 2835192), (12, 2362660), (15, 1890128), (16, 1771995), (17, 1667760), (20, 1417596), (24, 1181330), (30, 945064), (34, 833880), (40, 708798), (48, 590665), (51, 555920), (60, 472532), (68, 416940), (80, 354399), (85, 333552), (102, 277960), (120, 236266), (136, 208470), (170, 166776), (204, 138980), (240, 118133), (255, 111184), (272, 104235), (340, 83388), (408, 69490), (510, 55592), (680, 41694), (816, 34745), (1020, 27796), (1360, 20847), (2040, 13898), (4080, 6949)]