181872180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 679311360

約数和(自身を除く): 497439180

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, 57, 60, 63, 70, 71, 76, 84, 90, 95, 105, 107, 114, 126, 133, 140, 142, 171, 180, 190, 210, 213, 214, 228, 252, 266, 284, 285, 315, 321, 342, 355, 380, 399, 420, 426, 428, 497, 532, 535, 570, 630, 639, 642, 665, 684, 710, 749, 798, 852, 855, 963, 994, 1065, 1070, 1140, 1197, 1260, 1278, 1284, 1330, 1349, 1420, 1491, 1498, 1596, 1605, 1710, 1926, 1988, 1995, 2033, 2130, 2140, 2247, 2394, 2485, 2556, 2660, 2698, 2982, 2996, 3195, 3210, 3420, 3745, 3852, 3990, 4047, 4066, 4260, 4473, 4494, 4788, 4815, 4970, 5396, 5964, 5985, 6099, 6390, 6420, 6741, 6745, 7455, 7490, 7597, 7980, 8094, 8132, 8946, 8988, 9443, 9630, 9940, 10165, 11235, 11970, 12141, 12198, 12780, 13482, 13490, 14231, 14910, 14980, 15194, 16188, 17892, 18297, 18886, 19260, 20235, 20330, 22365, 22470, 22791, 23940, 24282, 24396, 26964, 26980, 28329, 28462, 29820, 30388, 30495, 33705, 36594, 37772, 37985, 40470, 40660, 42693, 44730, 44940, 45582, 47215, 48564, 53179, 56658, 56924, 60705, 60990, 67410, 68373, 71155, 73188, 75970, 80940, 84987, 85386, 89460, 91164, 91485, 94430, 106358, 113316, 113955, 121410, 121980, 128079, 134820, 136746, 141645, 142310, 144343, 151940, 159537, 169974, 170772, 182970, 188860, 212716, 213465, 227910, 242820, 256158, 265895, 273492, 283290, 284620, 288686, 319074, 339948, 341865, 365940, 424935, 426930, 433029, 455820, 478611, 512316, 531790, 566580, 577372, 638148, 640395, 683730, 721715, 797685, 849870, 853860, 866058, 957222, 1010401, 1063580, 1280790, 1299087, 1367460, 1443430, 1595370, 1699740, 1732116, 1914444, 2020802, 2165145, 2393055, 2561580, 2598174, 2886860, 3031203, 3190740, 4041604, 4330290, 4786110, 5052005, 5196348, 6062406, 6495435, 8660580, 9093609, 9572220, 10104010, 12124812, 12990870, 15156015, 18187218, 20208020, 25981740, 30312030, 36374436, 45468045, 60624060, 90936090, 181872180]

約数ペア:

[(1, 181872180), (2, 90936090), (3, 60624060), (4, 45468045), (5, 36374436), (6, 30312030), (7, 25981740), (9, 20208020), (10, 18187218), (12, 15156015), (14, 12990870), (15, 12124812), (18, 10104010), (19, 9572220), (20, 9093609), (21, 8660580), (28, 6495435), (30, 6062406), (35, 5196348), (36, 5052005), (38, 4786110), (42, 4330290), (45, 4041604), (57, 3190740), (60, 3031203), (63, 2886860), (70, 2598174), (71, 2561580), (76, 2393055), (84, 2165145), (90, 2020802), (95, 1914444), (105, 1732116), (107, 1699740), (114, 1595370), (126, 1443430), (133, 1367460), (140, 1299087), (142, 1280790), (171, 1063580), (180, 1010401), (190, 957222), (210, 866058), (213, 853860), (214, 849870), (228, 797685), (252, 721715), (266, 683730), (284, 640395), (285, 638148), (315, 577372), (321, 566580), (342, 531790), (355, 512316), (380, 478611), (399, 455820), (420, 433029), (426, 426930), (428, 424935), (497, 365940), (532, 341865), (535, 339948), (570, 319074), (630, 288686), (639, 284620), (642, 283290), (665, 273492), (684, 265895), (710, 256158), (749, 242820), (798, 227910), (852, 213465), (855, 212716), (963, 188860), (994, 182970), (1065, 170772), (1070, 169974), (1140, 159537), (1197, 151940), (1260, 144343), (1278, 142310), (1284, 141645), (1330, 136746), (1349, 134820), (1420, 128079), (1491, 121980), (1498, 121410), (1596, 113955), (1605, 113316), (1710, 106358), (1926, 94430), (1988, 91485), (1995, 91164), (2033, 89460), (2130, 85386), (2140, 84987), (2247, 80940), (2394, 75970), (2485, 73188), (2556, 71155), (2660, 68373), (2698, 67410), (2982, 60990), (2996, 60705), (3195, 56924), (3210, 56658), (3420, 53179), (3745, 48564), (3852, 47215), (3990, 45582), (4047, 44940), (4066, 44730), (4260, 42693), (4473, 40660), (4494, 40470), (4788, 37985), (4815, 37772), (4970, 36594), (5396, 33705), (5964, 30495), (5985, 30388), (6099, 29820), (6390, 28462), (6420, 28329), (6741, 26980), (6745, 26964), (7455, 24396), (7490, 24282), (7597, 23940), (7980, 22791), (8094, 22470), (8132, 22365), (8946, 20330), (8988, 20235), (9443, 19260), (9630, 18886), (9940, 18297), (10165, 17892), (11235, 16188), (11970, 15194), (12141, 14980), (12198, 14910), (12780, 14231), (13482, 13490)]