178402140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:321

約数の個数: 216

約数和(自身を含む): 638623440

約数和(自身を除く): 460221300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 113, 126, 140, 147, 179, 180, 196, 210, 226, 245, 252, 294, 315, 339, 358, 420, 441, 452, 490, 537, 565, 588, 630, 678, 716, 735, 791, 882, 895, 980, 1017, 1074, 1130, 1253, 1260, 1356, 1470, 1582, 1611, 1695, 1764, 1790, 2034, 2148, 2205, 2260, 2373, 2506, 2685, 2940, 3164, 3222, 3390, 3580, 3759, 3955, 4068, 4410, 4746, 5012, 5085, 5370, 5537, 6265, 6444, 6780, 7119, 7518, 7910, 8055, 8771, 8820, 9492, 10170, 10740, 11074, 11277, 11865, 12530, 14238, 15036, 15820, 16110, 16611, 17542, 18795, 20227, 20340, 22148, 22554, 23730, 25060, 26313, 27685, 28476, 32220, 33222, 35084, 35595, 37590, 40454, 43855, 45108, 47460, 49833, 52626, 55370, 56385, 60681, 66444, 71190, 75180, 78939, 80908, 83055, 87710, 99666, 101135, 105252, 110740, 112770, 121362, 131565, 141589, 142380, 157878, 166110, 175420, 182043, 199332, 202270, 225540, 242724, 249165, 263130, 283178, 303405, 315756, 332220, 364086, 394695, 404540, 424767, 498330, 526260, 566356, 606810, 707945, 728172, 789390, 849534, 910215, 991123, 996660, 1213620, 1274301, 1415890, 1578780, 1699068, 1820430, 1982246, 2123835, 2548602, 2831780, 2973369, 3640860, 3964492, 4247670, 4955615, 5097204, 5946738, 6371505, 8495340, 8920107, 9911230, 11893476, 12743010, 14866845, 17840214, 19822460, 25486020, 29733690, 35680428, 44600535, 59467380, 89201070, 178402140]

約数ペア:

[(1, 178402140), (2, 89201070), (3, 59467380), (4, 44600535), (5, 35680428), (6, 29733690), (7, 25486020), (9, 19822460), (10, 17840214), (12, 14866845), (14, 12743010), (15, 11893476), (18, 9911230), (20, 8920107), (21, 8495340), (28, 6371505), (30, 5946738), (35, 5097204), (36, 4955615), (42, 4247670), (45, 3964492), (49, 3640860), (60, 2973369), (63, 2831780), (70, 2548602), (84, 2123835), (90, 1982246), (98, 1820430), (105, 1699068), (113, 1578780), (126, 1415890), (140, 1274301), (147, 1213620), (179, 996660), (180, 991123), (196, 910215), (210, 849534), (226, 789390), (245, 728172), (252, 707945), (294, 606810), (315, 566356), (339, 526260), (358, 498330), (420, 424767), (441, 404540), (452, 394695), (490, 364086), (537, 332220), (565, 315756), (588, 303405), (630, 283178), (678, 263130), (716, 249165), (735, 242724), (791, 225540), (882, 202270), (895, 199332), (980, 182043), (1017, 175420), (1074, 166110), (1130, 157878), (1253, 142380), (1260, 141589), (1356, 131565), (1470, 121362), (1582, 112770), (1611, 110740), (1695, 105252), (1764, 101135), (1790, 99666), (2034, 87710), (2148, 83055), (2205, 80908), (2260, 78939), (2373, 75180), (2506, 71190), (2685, 66444), (2940, 60681), (3164, 56385), (3222, 55370), (3390, 52626), (3580, 49833), (3759, 47460), (3955, 45108), (4068, 43855), (4410, 40454), (4746, 37590), (5012, 35595), (5085, 35084), (5370, 33222), (5537, 32220), (6265, 28476), (6444, 27685), (6780, 26313), (7119, 25060), (7518, 23730), (7910, 22554), (8055, 22148), (8771, 20340), (8820, 20227), (9492, 18795), (10170, 17542), (10740, 16611), (11074, 16110), (11277, 15820), (11865, 15036), (12530, 14238)]