28367760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6221}}^1$

素因数の和:6256

約数の個数: 80

約数和(自身を含む): 92583360

約数和(自身を除く): 64215600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 6221, 12442, 18663, 24884, 31105, 37326, 49768, 62210, 74652, 93315, 99536, 118199, 124420, 149304, 186630, 236398, 248840, 298608, 354597, 373260, 472796, 497680, 590995, 709194, 746520, 945592, 1181990, 1418388, 1493040, 1772985, 1891184, 2363980, 2836776, 3545970, 4727960, 5673552, 7091940, 9455920, 14183880, 28367760]

約数ペア:

[(1, 28367760), (2, 14183880), (3, 9455920), (4, 7091940), (5, 5673552), (6, 4727960), (8, 3545970), (10, 2836776), (12, 2363980), (15, 1891184), (16, 1772985), (19, 1493040), (20, 1418388), (24, 1181990), (30, 945592), (38, 746520), (40, 709194), (48, 590995), (57, 497680), (60, 472796), (76, 373260), (80, 354597), (95, 298608), (114, 248840), (120, 236398), (152, 186630), (190, 149304), (228, 124420), (240, 118199), (285, 99536), (304, 93315), (380, 74652), (456, 62210), (570, 49768), (760, 37326), (912, 31105), (1140, 24884), (1520, 18663), (2280, 12442), (4560, 6221)]