15703315225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 24213271680

約数和(自身を除く): 8509956455

約数列:

[1, 5, 13, 17, 19, 25, 37, 65, 85, 95, 169, 185, 221, 247, 311, 323, 325, 425, 475, 481, 629, 703, 845, 925, 1105, 1235, 1555, 1615, 2405, 2873, 3145, 3211, 3515, 4043, 4199, 4225, 5287, 5525, 5909, 6175, 6253, 7775, 8075, 8177, 9139, 11507, 11951, 12025, 14365, 15725, 16055, 17575, 20215, 20995, 26435, 29545, 31265, 40885, 45695, 52559, 54587, 57535, 59755, 68731, 71825, 76817, 80275, 100453, 101075, 104975, 106301, 118807, 132175, 147725, 149591, 155363, 156325, 195619, 204425, 218633, 228475, 262795, 272935, 287675, 298775, 343655, 384085, 502265, 531505, 594035, 747955, 776815, 893503, 978095, 998621, 1093165, 1305889, 1313975, 1364675, 1718275, 1920425, 1944683, 2019719, 2511325, 2543047, 2657525, 2842229, 2970175, 3716761, 3739775, 3884075, 4467515, 4890475, 4993105, 5465825, 6529445, 9723415, 10098595, 12715235, 14211145, 16976557, 18583805, 22337575, 24965525, 32647225, 33059611, 36948977, 48317893, 48617075, 50492975, 63576175, 71055725, 84882785, 92919025, 165298055, 184744885, 241589465, 424413925, 628132609, 826490275, 923724425, 1207947325, 3140663045, 15703315225]

約数ペア:

[(1, 15703315225), (5, 3140663045), (13, 1207947325), (17, 923724425), (19, 826490275), (25, 628132609), (37, 424413925), (65, 241589465), (85, 184744885), (95, 165298055), (169, 92919025), (185, 84882785), (221, 71055725), (247, 63576175), (311, 50492975), (323, 48617075), (325, 48317893), (425, 36948977), (475, 33059611), (481, 32647225), (629, 24965525), (703, 22337575), (845, 18583805), (925, 16976557), (1105, 14211145), (1235, 12715235), (1555, 10098595), (1615, 9723415), (2405, 6529445), (2873, 5465825), (3145, 4993105), (3211, 4890475), (3515, 4467515), (4043, 3884075), (4199, 3739775), (4225, 3716761), (5287, 2970175), (5525, 2842229), (5909, 2657525), (6175, 2543047), (6253, 2511325), (7775, 2019719), (8075, 1944683), (8177, 1920425), (9139, 1718275), (11507, 1364675), (11951, 1313975), (12025, 1305889), (14365, 1093165), (15725, 998621), (16055, 978095), (17575, 893503), (20215, 776815), (20995, 747955), (26435, 594035), (29545, 531505), (31265, 502265), (40885, 384085), (45695, 343655), (52559, 298775), (54587, 287675), (57535, 272935), (59755, 262795), (68731, 228475), (71825, 218633), (76817, 204425), (80275, 195619), (100453, 156325), (101075, 155363), (104975, 149591), (106301, 147725), (118807, 132175)]