29996820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 216

約数和(自身を含む): 112039200

約数和(自身を除く): 82042380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 179, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 358, 380, 399, 420, 441, 490, 532, 537, 570, 588, 630, 665, 684, 716, 735, 798, 855, 882, 895, 931, 980, 1074, 1140, 1197, 1253, 1260, 1330, 1470, 1596, 1611, 1710, 1764, 1790, 1862, 1995, 2148, 2205, 2394, 2506, 2660, 2685, 2793, 2940, 3222, 3401, 3420, 3580, 3724, 3759, 3990, 4410, 4655, 4788, 5012, 5370, 5586, 5985, 6265, 6444, 6802, 7518, 7980, 8055, 8379, 8771, 8820, 9310, 10203, 10740, 11172, 11277, 11970, 12530, 13604, 13965, 15036, 16110, 16758, 17005, 17542, 18620, 18795, 20406, 22554, 23807, 23940, 25060, 26313, 27930, 30609, 32220, 33516, 34010, 35084, 37590, 40812, 41895, 43855, 45108, 47614, 51015, 52626, 55860, 56385, 61218, 68020, 71421, 75180, 78939, 83790, 87710, 95228, 102030, 105252, 112770, 119035, 122436, 131565, 142842, 153045, 157878, 166649, 167580, 175420, 204060, 214263, 225540, 238070, 263130, 285684, 306090, 315756, 333298, 357105, 394695, 428526, 476140, 499947, 526260, 612180, 666596, 714210, 789390, 833245, 857052, 999894, 1071315, 1428420, 1499841, 1578780, 1666490, 1999788, 2142630, 2499735, 2999682, 3332980, 4285260, 4999470, 5999364, 7499205, 9998940, 14998410, 29996820]

約数ペア:

[(1, 29996820), (2, 14998410), (3, 9998940), (4, 7499205), (5, 5999364), (6, 4999470), (7, 4285260), (9, 3332980), (10, 2999682), (12, 2499735), (14, 2142630), (15, 1999788), (18, 1666490), (19, 1578780), (20, 1499841), (21, 1428420), (28, 1071315), (30, 999894), (35, 857052), (36, 833245), (38, 789390), (42, 714210), (45, 666596), (49, 612180), (57, 526260), (60, 499947), (63, 476140), (70, 428526), (76, 394695), (84, 357105), (90, 333298), (95, 315756), (98, 306090), (105, 285684), (114, 263130), (126, 238070), (133, 225540), (140, 214263), (147, 204060), (171, 175420), (179, 167580), (180, 166649), (190, 157878), (196, 153045), (210, 142842), (228, 131565), (245, 122436), (252, 119035), (266, 112770), (285, 105252), (294, 102030), (315, 95228), (342, 87710), (358, 83790), (380, 78939), (399, 75180), (420, 71421), (441, 68020), (490, 61218), (532, 56385), (537, 55860), (570, 52626), (588, 51015), (630, 47614), (665, 45108), (684, 43855), (716, 41895), (735, 40812), (798, 37590), (855, 35084), (882, 34010), (895, 33516), (931, 32220), (980, 30609), (1074, 27930), (1140, 26313), (1197, 25060), (1253, 23940), (1260, 23807), (1330, 22554), (1470, 20406), (1596, 18795), (1611, 18620), (1710, 17542), (1764, 17005), (1790, 16758), (1862, 16110), (1995, 15036), (2148, 13965), (2205, 13604), (2394, 12530), (2506, 11970), (2660, 11277), (2685, 11172), (2793, 10740), (2940, 10203), (3222, 9310), (3401, 8820), (3420, 8771), (3580, 8379), (3724, 8055), (3759, 7980), (3990, 7518), (4410, 6802), (4655, 6444), (4788, 6265), (5012, 5985), (5370, 5586)]