28665120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 192

約数和(自身を含む): 101243520

約数和(自身を除く): 72578400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 89, 96, 110, 120, 122, 132, 160, 165, 176, 178, 183, 220, 240, 244, 264, 267, 305, 330, 352, 356, 366, 440, 445, 480, 488, 528, 534, 610, 660, 671, 712, 732, 880, 890, 915, 976, 979, 1056, 1068, 1220, 1320, 1335, 1342, 1424, 1464, 1760, 1780, 1830, 1952, 1958, 2013, 2136, 2440, 2640, 2670, 2684, 2848, 2928, 2937, 3355, 3560, 3660, 3916, 4026, 4272, 4880, 4895, 5280, 5340, 5368, 5429, 5856, 5874, 6710, 7120, 7320, 7832, 8052, 8544, 9760, 9790, 10065, 10680, 10736, 10858, 11748, 13420, 14240, 14640, 14685, 15664, 16104, 16287, 19580, 20130, 21360, 21472, 21716, 23496, 26840, 27145, 29280, 29370, 31328, 32208, 32574, 39160, 40260, 42720, 43432, 46992, 53680, 54290, 58740, 59719, 64416, 65148, 78320, 80520, 81435, 86864, 93984, 107360, 108580, 117480, 119438, 130296, 156640, 161040, 162870, 173728, 179157, 217160, 234960, 238876, 260592, 298595, 322080, 325740, 358314, 434320, 469920, 477752, 521184, 597190, 651480, 716628, 868640, 895785, 955504, 1194380, 1302960, 1433256, 1791570, 1911008, 2388760, 2605920, 2866512, 3583140, 4777520, 5733024, 7166280, 9555040, 14332560, 28665120]

約数ペア:

[(1, 28665120), (2, 14332560), (3, 9555040), (4, 7166280), (5, 5733024), (6, 4777520), (8, 3583140), (10, 2866512), (11, 2605920), (12, 2388760), (15, 1911008), (16, 1791570), (20, 1433256), (22, 1302960), (24, 1194380), (30, 955504), (32, 895785), (33, 868640), (40, 716628), (44, 651480), (48, 597190), (55, 521184), (60, 477752), (61, 469920), (66, 434320), (80, 358314), (88, 325740), (89, 322080), (96, 298595), (110, 260592), (120, 238876), (122, 234960), (132, 217160), (160, 179157), (165, 173728), (176, 162870), (178, 161040), (183, 156640), (220, 130296), (240, 119438), (244, 117480), (264, 108580), (267, 107360), (305, 93984), (330, 86864), (352, 81435), (356, 80520), (366, 78320), (440, 65148), (445, 64416), (480, 59719), (488, 58740), (528, 54290), (534, 53680), (610, 46992), (660, 43432), (671, 42720), (712, 40260), (732, 39160), (880, 32574), (890, 32208), (915, 31328), (976, 29370), (979, 29280), (1056, 27145), (1068, 26840), (1220, 23496), (1320, 21716), (1335, 21472), (1342, 21360), (1424, 20130), (1464, 19580), (1760, 16287), (1780, 16104), (1830, 15664), (1952, 14685), (1958, 14640), (2013, 14240), (2136, 13420), (2440, 11748), (2640, 10858), (2670, 10736), (2684, 10680), (2848, 10065), (2928, 9790), (2937, 9760), (3355, 8544), (3560, 8052), (3660, 7832), (3916, 7320), (4026, 7120), (4272, 6710), (4880, 5874), (4895, 5856), (5280, 5429), (5340, 5368)]