320388120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4027}}^1$

素因数の和:4074

約数の個数: 192

約数和(自身を含む): 1187615520

約数和(自身を除く): 867227400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3315, 3978, 4027, 4420, 4680, 5304, 6120, 6630, 7956, 8054, 8840, 9945, 12081, 13260, 15912, 16108, 19890, 20135, 24162, 26520, 32216, 36243, 39780, 40270, 48324, 52351, 60405, 68459, 72486, 79560, 80540, 96648, 104702, 120810, 136918, 144972, 157053, 161080, 181215, 205377, 209404, 241620, 261755, 273836, 289944, 314106, 342295, 362430, 410754, 418808, 471159, 483240, 523510, 547672, 616131, 628212, 684590, 724860, 785265, 821508, 889967, 942318, 1026885, 1047020, 1232262, 1256424, 1369180, 1449720, 1570530, 1643016, 1779934, 1884636, 2053770, 2094040, 2355795, 2464524, 2669901, 2738360, 3080655, 3141060, 3559868, 3769272, 4107540, 4449835, 4711590, 4929048, 5339802, 6161310, 6282120, 7119736, 8009703, 8215080, 8899670, 9423180, 10679604, 12322620, 13349505, 16019406, 17799340, 18846360, 21359208, 24645240, 26699010, 32038812, 35598680, 40048515, 53398020, 64077624, 80097030, 106796040, 160194060, 320388120]

約数ペア:

[(1, 320388120), (2, 160194060), (3, 106796040), (4, 80097030), (5, 64077624), (6, 53398020), (8, 40048515), (9, 35598680), (10, 32038812), (12, 26699010), (13, 24645240), (15, 21359208), (17, 18846360), (18, 17799340), (20, 16019406), (24, 13349505), (26, 12322620), (30, 10679604), (34, 9423180), (36, 8899670), (39, 8215080), (40, 8009703), (45, 7119736), (51, 6282120), (52, 6161310), (60, 5339802), (65, 4929048), (68, 4711590), (72, 4449835), (78, 4107540), (85, 3769272), (90, 3559868), (102, 3141060), (104, 3080655), (117, 2738360), (120, 2669901), (130, 2464524), (136, 2355795), (153, 2094040), (156, 2053770), (170, 1884636), (180, 1779934), (195, 1643016), (204, 1570530), (221, 1449720), (234, 1369180), (255, 1256424), (260, 1232262), (306, 1047020), (312, 1026885), (340, 942318), (360, 889967), (390, 821508), (408, 785265), (442, 724860), (468, 684590), (510, 628212), (520, 616131), (585, 547672), (612, 523510), (663, 483240), (680, 471159), (765, 418808), (780, 410754), (884, 362430), (936, 342295), (1020, 314106), (1105, 289944), (1170, 273836), (1224, 261755), (1326, 241620), (1530, 209404), (1560, 205377), (1768, 181215), (1989, 161080), (2040, 157053), (2210, 144972), (2340, 136918), (2652, 120810), (3060, 104702), (3315, 96648), (3978, 80540), (4027, 79560), (4420, 72486), (4680, 68459), (5304, 60405), (6120, 52351), (6630, 48324), (7956, 40270), (8054, 39780), (8840, 36243), (9945, 32216), (12081, 26520), (13260, 24162), (15912, 20135), (16108, 19890)]