320415480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3853}}^1$

素因数の和:3891

約数の個数: 256

約数和(自身を含む): 1331942400

約数和(自身を除く): 1011526920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3465, 3780, 3853, 3960, 4158, 4620, 5544, 5940, 6930, 7560, 7706, 8316, 9240, 10395, 11559, 11880, 13860, 15412, 16632, 19265, 20790, 23118, 26971, 27720, 30824, 34677, 38530, 41580, 42383, 46236, 53942, 57795, 69354, 77060, 80913, 83160, 84766, 92472, 104031, 107884, 115590, 127149, 134855, 138708, 154120, 161826, 169532, 173385, 208062, 211915, 215768, 231180, 242739, 254298, 269710, 277416, 296681, 323652, 339064, 346770, 381447, 404565, 416124, 423830, 462360, 485478, 508596, 520155, 539420, 593362, 635745, 647304, 693540, 728217, 762894, 809130, 832248, 847660, 890043, 970956, 1017192, 1040310, 1078840, 1144341, 1186724, 1213695, 1271490, 1387080, 1456434, 1483405, 1525788, 1618260, 1695320, 1780086, 1907235, 1941912, 2080620, 2288682, 2373448, 2427390, 2542980, 2670129, 2912868, 2966810, 3051576, 3236520, 3560172, 3641085, 3814470, 4161240, 4450215, 4577364, 4854780, 5085960, 5340258, 5721705, 5825736, 5933620, 7120344, 7282170, 7628940, 8010387, 8900430, 9154728, 9709560, 10680516, 11443410, 11867240, 13350645, 14564340, 15257880, 16020774, 17800860, 21361032, 22886820, 26701290, 29128680, 32041548, 35601720, 40051935, 45773640, 53402580, 64083096, 80103870, 106805160, 160207740, 320415480]

約数ペア:

[(1, 320415480), (2, 160207740), (3, 106805160), (4, 80103870), (5, 64083096), (6, 53402580), (7, 45773640), (8, 40051935), (9, 35601720), (10, 32041548), (11, 29128680), (12, 26701290), (14, 22886820), (15, 21361032), (18, 17800860), (20, 16020774), (21, 15257880), (22, 14564340), (24, 13350645), (27, 11867240), (28, 11443410), (30, 10680516), (33, 9709560), (35, 9154728), (36, 8900430), (40, 8010387), (42, 7628940), (44, 7282170), (45, 7120344), (54, 5933620), (55, 5825736), (56, 5721705), (60, 5340258), (63, 5085960), (66, 4854780), (70, 4577364), (72, 4450215), (77, 4161240), (84, 3814470), (88, 3641085), (90, 3560172), (99, 3236520), (105, 3051576), (108, 2966810), (110, 2912868), (120, 2670129), (126, 2542980), (132, 2427390), (135, 2373448), (140, 2288682), (154, 2080620), (165, 1941912), (168, 1907235), (180, 1780086), (189, 1695320), (198, 1618260), (210, 1525788), (216, 1483405), (220, 1456434), (231, 1387080), (252, 1271490), (264, 1213695), (270, 1186724), (280, 1144341), (297, 1078840), (308, 1040310), (315, 1017192), (330, 970956), (360, 890043), (378, 847660), (385, 832248), (396, 809130), (420, 762894), (440, 728217), (462, 693540), (495, 647304), (504, 635745), (540, 593362), (594, 539420), (616, 520155), (630, 508596), (660, 485478), (693, 462360), (756, 423830), (770, 416124), (792, 404565), (840, 381447), (924, 346770), (945, 339064), (990, 323652), (1080, 296681), (1155, 277416), (1188, 269710), (1260, 254298), (1320, 242739), (1386, 231180), (1485, 215768), (1512, 211915), (1540, 208062), (1848, 173385), (1890, 169532), (1980, 161826), (2079, 154120), (2310, 138708), (2376, 134855), (2520, 127149), (2772, 115590), (2970, 107884), (3080, 104031), (3465, 92472), (3780, 84766), (3853, 83160), (3960, 80913), (4158, 77060), (4620, 69354), (5544, 57795), (5940, 53942), (6930, 46236), (7560, 42383), (7706, 41580), (8316, 38530), (9240, 34677), (10395, 30824), (11559, 27720), (11880, 26971), (13860, 23118), (15412, 20790), (16632, 19265)]