321728520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1933}}^1$

素因数の和:2039

約数の個数: 128

約数和(自身を含む): 1030435200

約数和(自身を除く): 708706680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 73, 76, 95, 114, 120, 146, 152, 190, 219, 228, 285, 292, 365, 380, 438, 456, 570, 584, 730, 760, 876, 1095, 1140, 1387, 1460, 1752, 1933, 2190, 2280, 2774, 2920, 3866, 4161, 4380, 5548, 5799, 6935, 7732, 8322, 8760, 9665, 11096, 11598, 13870, 15464, 16644, 19330, 20805, 23196, 27740, 28995, 33288, 36727, 38660, 41610, 46392, 55480, 57990, 73454, 77320, 83220, 110181, 115980, 141109, 146908, 166440, 183635, 220362, 231960, 282218, 293816, 367270, 423327, 440724, 550905, 564436, 705545, 734540, 846654, 881448, 1101810, 1128872, 1411090, 1469080, 1693308, 2116635, 2203620, 2681071, 2822180, 3386616, 4233270, 4407240, 5362142, 5644360, 8043213, 8466540, 10724284, 13405355, 16086426, 16933080, 21448568, 26810710, 32172852, 40216065, 53621420, 64345704, 80432130, 107242840, 160864260, 321728520]

約数ペア:

[(1, 321728520), (2, 160864260), (3, 107242840), (4, 80432130), (5, 64345704), (6, 53621420), (8, 40216065), (10, 32172852), (12, 26810710), (15, 21448568), (19, 16933080), (20, 16086426), (24, 13405355), (30, 10724284), (38, 8466540), (40, 8043213), (57, 5644360), (60, 5362142), (73, 4407240), (76, 4233270), (95, 3386616), (114, 2822180), (120, 2681071), (146, 2203620), (152, 2116635), (190, 1693308), (219, 1469080), (228, 1411090), (285, 1128872), (292, 1101810), (365, 881448), (380, 846654), (438, 734540), (456, 705545), (570, 564436), (584, 550905), (730, 440724), (760, 423327), (876, 367270), (1095, 293816), (1140, 282218), (1387, 231960), (1460, 220362), (1752, 183635), (1933, 166440), (2190, 146908), (2280, 141109), (2774, 115980), (2920, 110181), (3866, 83220), (4161, 77320), (4380, 73454), (5548, 57990), (5799, 55480), (6935, 46392), (7732, 41610), (8322, 38660), (8760, 36727), (9665, 33288), (11096, 28995), (11598, 27740), (13870, 23196), (15464, 20805), (16644, 19330)]