51782220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 199180800

約数和(自身を除く): 147398580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 103, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 206, 210, 228, 245, 252, 266, 270, 285, 294, 309, 315, 342, 378, 380, 399, 412, 420, 441, 490, 513, 515, 532, 540, 570, 588, 618, 630, 665, 684, 721, 735, 756, 798, 855, 882, 927, 931, 945, 980, 1026, 1030, 1140, 1197, 1236, 1260, 1323, 1330, 1442, 1470, 1545, 1596, 1710, 1764, 1854, 1862, 1890, 1957, 1995, 2052, 2060, 2163, 2205, 2394, 2565, 2646, 2660, 2781, 2793, 2884, 2940, 3090, 3420, 3591, 3605, 3708, 3724, 3780, 3914, 3990, 4326, 4410, 4635, 4655, 4788, 5047, 5130, 5292, 5562, 5586, 5871, 5985, 6180, 6489, 6615, 7182, 7210, 7828, 7980, 8379, 8652, 8820, 9270, 9310, 9785, 10094, 10260, 10815, 11124, 11172, 11742, 11970, 12978, 13230, 13699, 13905, 13965, 14364, 14420, 15141, 16758, 17613, 17955, 18540, 18620, 19467, 19570, 20188, 21630, 23484, 23940, 25137, 25235, 25956, 26460, 27398, 27810, 27930, 29355, 30282, 32445, 33516, 35226, 35910, 38934, 39140, 41097, 41895, 43260, 45423, 50274, 50470, 52839, 54796, 55620, 55860, 58710, 60564, 64890, 68495, 70452, 71820, 75705, 77868, 82194, 83790, 88065, 90846, 95893, 97335, 100548, 100940, 105678, 117420, 123291, 125685, 129780, 136269, 136990, 151410, 164388, 167580, 176130, 181692, 191786, 194670, 205485, 211356, 227115, 246582, 251370, 264195, 272538, 273980, 287679, 302820, 352260, 369873, 383572, 389340, 410970, 454230, 479465, 493164, 502740, 528390, 545076, 575358, 616455, 681345, 739746, 821940, 863037, 908460, 958930, 1056780, 1150716, 1232910, 1362690, 1438395, 1479492, 1726074, 1849365, 1917860, 2465820, 2589111, 2725380, 2876790, 3452148, 3698730, 4315185, 5178222, 5753580, 7397460, 8630370, 10356444, 12945555, 17260740, 25891110, 51782220]

約数ペア:

[(1, 51782220), (2, 25891110), (3, 17260740), (4, 12945555), (5, 10356444), (6, 8630370), (7, 7397460), (9, 5753580), (10, 5178222), (12, 4315185), (14, 3698730), (15, 3452148), (18, 2876790), (19, 2725380), (20, 2589111), (21, 2465820), (27, 1917860), (28, 1849365), (30, 1726074), (35, 1479492), (36, 1438395), (38, 1362690), (42, 1232910), (45, 1150716), (49, 1056780), (54, 958930), (57, 908460), (60, 863037), (63, 821940), (70, 739746), (76, 681345), (84, 616455), (90, 575358), (95, 545076), (98, 528390), (103, 502740), (105, 493164), (108, 479465), (114, 454230), (126, 410970), (133, 389340), (135, 383572), (140, 369873), (147, 352260), (171, 302820), (180, 287679), (189, 273980), (190, 272538), (196, 264195), (206, 251370), (210, 246582), (228, 227115), (245, 211356), (252, 205485), (266, 194670), (270, 191786), (285, 181692), (294, 176130), (309, 167580), (315, 164388), (342, 151410), (378, 136990), (380, 136269), (399, 129780), (412, 125685), (420, 123291), (441, 117420), (490, 105678), (513, 100940), (515, 100548), (532, 97335), (540, 95893), (570, 90846), (588, 88065), (618, 83790), (630, 82194), (665, 77868), (684, 75705), (721, 71820), (735, 70452), (756, 68495), (798, 64890), (855, 60564), (882, 58710), (927, 55860), (931, 55620), (945, 54796), (980, 52839), (1026, 50470), (1030, 50274), (1140, 45423), (1197, 43260), (1236, 41895), (1260, 41097), (1323, 39140), (1330, 38934), (1442, 35910), (1470, 35226), (1545, 33516), (1596, 32445), (1710, 30282), (1764, 29355), (1854, 27930), (1862, 27810), (1890, 27398), (1957, 26460), (1995, 25956), (2052, 25235), (2060, 25137), (2163, 23940), (2205, 23484), (2394, 21630), (2565, 20188), (2646, 19570), (2660, 19467), (2781, 18620), (2793, 18540), (2884, 17955), (2940, 17613), (3090, 16758), (3420, 15141), (3591, 14420), (3605, 14364), (3708, 13965), (3724, 13905), (3780, 13699), (3914, 13230), (3990, 12978), (4326, 11970), (4410, 11742), (4635, 11172), (4655, 11124), (4788, 10815), (5047, 10260), (5130, 10094), (5292, 9785), (5562, 9310), (5586, 9270), (5871, 8820), (5985, 8652), (6180, 8379), (6489, 7980), (6615, 7828), (7182, 7210)]