1329548800

素因数分解:

$2^9\times 5^2\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:700

約数の個数: 120

約数和(自身を含む): 3315403872

約数和(自身を除く): 1985855072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 241, 256, 320, 400, 431, 482, 512, 640, 800, 862, 964, 1205, 1280, 1600, 1724, 1928, 2155, 2410, 2560, 3200, 3448, 3856, 4310, 4820, 6025, 6400, 6896, 7712, 8620, 9640, 10775, 12050, 12800, 13792, 15424, 17240, 19280, 21550, 24100, 27584, 30848, 34480, 38560, 43100, 48200, 55168, 61696, 68960, 77120, 86200, 96400, 103871, 110336, 123392, 137920, 154240, 172400, 192800, 207742, 220672, 275840, 308480, 344800, 385600, 415484, 519355, 551680, 616960, 689600, 771200, 830968, 1038710, 1103360, 1379200, 1542400, 1661936, 2077420, 2596775, 2758400, 3084800, 3323872, 4154840, 5193550, 5516800, 6647744, 8309680, 10387100, 13295488, 16619360, 20774200, 26590976, 33238720, 41548400, 53181952, 66477440, 83096800, 132954880, 166193600, 265909760, 332387200, 664774400, 1329548800]

約数ペア:

[(1, 1329548800), (2, 664774400), (4, 332387200), (5, 265909760), (8, 166193600), (10, 132954880), (16, 83096800), (20, 66477440), (25, 53181952), (32, 41548400), (40, 33238720), (50, 26590976), (64, 20774200), (80, 16619360), (100, 13295488), (128, 10387100), (160, 8309680), (200, 6647744), (241, 5516800), (256, 5193550), (320, 4154840), (400, 3323872), (431, 3084800), (482, 2758400), (512, 2596775), (640, 2077420), (800, 1661936), (862, 1542400), (964, 1379200), (1205, 1103360), (1280, 1038710), (1600, 830968), (1724, 771200), (1928, 689600), (2155, 616960), (2410, 551680), (2560, 519355), (3200, 415484), (3448, 385600), (3856, 344800), (4310, 308480), (4820, 275840), (6025, 220672), (6400, 207742), (6896, 192800), (7712, 172400), (8620, 154240), (9640, 137920), (10775, 123392), (12050, 110336), (12800, 103871), (13792, 96400), (15424, 86200), (17240, 77120), (19280, 68960), (21550, 61696), (24100, 55168), (27584, 48200), (30848, 43100), (34480, 38560)]