28400880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6961}}^1$

素因数の和:6994

約数の個数: 80

約数和(自身を含む): 93235104

約数和(自身を除く): 64834224

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, 6961, 13922, 20883, 27844, 34805, 41766, 55688, 69610, 83532, 104415, 111376, 118337, 139220, 167064, 208830, 236674, 278440, 334128, 355011, 417660, 473348, 556880, 591685, 710022, 835320, 946696, 1183370, 1420044, 1670640, 1775055, 1893392, 2366740, 2840088, 3550110, 4733480, 5680176, 7100220, 9466960, 14200440, 28400880]

約数ペア:

[(1, 28400880), (2, 14200440), (3, 9466960), (4, 7100220), (5, 5680176), (6, 4733480), (8, 3550110), (10, 2840088), (12, 2366740), (15, 1893392), (16, 1775055), (17, 1670640), (20, 1420044), (24, 1183370), (30, 946696), (34, 835320), (40, 710022), (48, 591685), (51, 556880), (60, 473348), (68, 417660), (80, 355011), (85, 334128), (102, 278440), (120, 236674), (136, 208830), (170, 167064), (204, 139220), (240, 118337), (255, 111376), (272, 104415), (340, 83532), (408, 69610), (510, 55688), (680, 41766), (816, 34805), (1020, 27844), (1360, 20883), (2040, 13922), (4080, 6961)]