127998780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 477804096

約数和(自身を除く): 349805316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 49, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 98, 102, 105, 119, 130, 140, 147, 156, 170, 182, 195, 196, 197, 204, 210, 221, 238, 245, 255, 260, 273, 294, 340, 357, 364, 390, 394, 420, 442, 455, 476, 490, 510, 546, 588, 591, 595, 637, 663, 714, 735, 780, 788, 833, 884, 910, 980, 985, 1020, 1092, 1105, 1182, 1190, 1274, 1326, 1365, 1379, 1428, 1470, 1547, 1666, 1785, 1820, 1911, 1970, 2210, 2364, 2380, 2499, 2548, 2561, 2652, 2730, 2758, 2940, 2955, 3094, 3185, 3315, 3332, 3349, 3570, 3822, 3940, 4137, 4165, 4420, 4641, 4998, 5122, 5460, 5516, 5910, 6188, 6370, 6630, 6698, 6895, 7140, 7644, 7683, 7735, 8274, 8330, 9282, 9555, 9653, 9996, 10047, 10244, 10829, 11820, 12495, 12740, 12805, 13260, 13396, 13790, 15366, 15470, 16548, 16660, 16745, 17927, 18564, 19110, 19306, 20094, 20685, 21658, 23205, 23443, 24990, 25610, 27580, 28959, 30732, 30940, 32487, 33490, 35854, 38220, 38415, 38612, 40188, 41370, 43316, 43537, 46410, 46886, 48265, 49980, 50235, 51220, 53781, 54145, 57918, 64974, 66980, 70329, 71708, 76830, 82740, 87074, 89635, 92820, 93772, 96530, 100470, 107562, 108290, 115836, 117215, 125489, 129948, 130611, 140658, 144795, 153660, 162435, 164101, 174148, 179270, 193060, 200940, 215124, 216580, 217685, 234430, 250978, 261222, 268905, 281316, 289590, 304759, 324870, 328202, 351645, 358540, 376467, 435370, 468860, 492303, 501956, 522444, 537810, 579180, 609518, 627445, 649740, 653055, 656404, 703290, 752934, 820505, 870740, 914277, 984606, 1075620, 1219036, 1254890, 1306110, 1406580, 1505868, 1523795, 1641010, 1828554, 1882335, 1969212, 2133313, 2461515, 2509780, 2612220, 3047590, 3282020, 3657108, 3764670, 4266626, 4571385, 4923030, 6095180, 6399939, 7529340, 8533252, 9142770, 9846060, 10666565, 12799878, 18285540, 21333130, 25599756, 31999695, 42666260, 63999390, 127998780]

約数ペア:

[(1, 127998780), (2, 63999390), (3, 42666260), (4, 31999695), (5, 25599756), (6, 21333130), (7, 18285540), (10, 12799878), (12, 10666565), (13, 9846060), (14, 9142770), (15, 8533252), (17, 7529340), (20, 6399939), (21, 6095180), (26, 4923030), (28, 4571385), (30, 4266626), (34, 3764670), (35, 3657108), (39, 3282020), (42, 3047590), (49, 2612220), (51, 2509780), (52, 2461515), (60, 2133313), (65, 1969212), (68, 1882335), (70, 1828554), (78, 1641010), (84, 1523795), (85, 1505868), (91, 1406580), (98, 1306110), (102, 1254890), (105, 1219036), (119, 1075620), (130, 984606), (140, 914277), (147, 870740), (156, 820505), (170, 752934), (182, 703290), (195, 656404), (196, 653055), (197, 649740), (204, 627445), (210, 609518), (221, 579180), (238, 537810), (245, 522444), (255, 501956), (260, 492303), (273, 468860), (294, 435370), (340, 376467), (357, 358540), (364, 351645), (390, 328202), (394, 324870), (420, 304759), (442, 289590), (455, 281316), (476, 268905), (490, 261222), (510, 250978), (546, 234430), (588, 217685), (591, 216580), (595, 215124), (637, 200940), (663, 193060), (714, 179270), (735, 174148), (780, 164101), (788, 162435), (833, 153660), (884, 144795), (910, 140658), (980, 130611), (985, 129948), (1020, 125489), (1092, 117215), (1105, 115836), (1182, 108290), (1190, 107562), (1274, 100470), (1326, 96530), (1365, 93772), (1379, 92820), (1428, 89635), (1470, 87074), (1547, 82740), (1666, 76830), (1785, 71708), (1820, 70329), (1911, 66980), (1970, 64974), (2210, 57918), (2364, 54145), (2380, 53781), (2499, 51220), (2548, 50235), (2561, 49980), (2652, 48265), (2730, 46886), (2758, 46410), (2940, 43537), (2955, 43316), (3094, 41370), (3185, 40188), (3315, 38612), (3332, 38415), (3349, 38220), (3570, 35854), (3822, 33490), (3940, 32487), (4137, 30940), (4165, 30732), (4420, 28959), (4641, 27580), (4998, 25610), (5122, 24990), (5460, 23443), (5516, 23205), (5910, 21658), (6188, 20685), (6370, 20094), (6630, 19306), (6698, 19110), (6895, 18564), (7140, 17927), (7644, 16745), (7683, 16660), (7735, 16548), (8274, 15470), (8330, 15366), (9282, 13790), (9555, 13396), (9653, 13260), (9996, 12805), (10047, 12740), (10244, 12495), (10829, 11820)]