28209120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3457}}^1$

素因数の和:3492

約数の個数: 96

約数和(自身を含む): 94112928

約数和(自身を除く): 65903808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2720, 3457, 4080, 6914, 8160, 10371, 13828, 17285, 20742, 27656, 34570, 41484, 51855, 55312, 58769, 69140, 82968, 103710, 110624, 117538, 138280, 165936, 176307, 207420, 235076, 276560, 293845, 331872, 352614, 414840, 470152, 553120, 587690, 705228, 829680, 881535, 940304, 1175380, 1410456, 1659360, 1763070, 1880608, 2350760, 2820912, 3526140, 4701520, 5641824, 7052280, 9403040, 14104560, 28209120]

約数ペア:

[(1, 28209120), (2, 14104560), (3, 9403040), (4, 7052280), (5, 5641824), (6, 4701520), (8, 3526140), (10, 2820912), (12, 2350760), (15, 1880608), (16, 1763070), (17, 1659360), (20, 1410456), (24, 1175380), (30, 940304), (32, 881535), (34, 829680), (40, 705228), (48, 587690), (51, 553120), (60, 470152), (68, 414840), (80, 352614), (85, 331872), (96, 293845), (102, 276560), (120, 235076), (136, 207420), (160, 176307), (170, 165936), (204, 138280), (240, 117538), (255, 110624), (272, 103710), (340, 82968), (408, 69140), (480, 58769), (510, 55312), (544, 51855), (680, 41484), (816, 34570), (1020, 27656), (1360, 20742), (1632, 17285), (2040, 13828), (2720, 10371), (3457, 8160), (4080, 6914)]