20914996800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{61}}^2\times {\mathrm{1171}}^1$

素因数の和:1318

約数の個数: 252

約数和(自身を含む): 69821529648

約数和(自身を除く): 48906532848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 64, 75, 80, 96, 100, 120, 122, 150, 160, 183, 192, 200, 240, 244, 300, 305, 320, 366, 400, 480, 488, 600, 610, 732, 800, 915, 960, 976, 1171, 1200, 1220, 1464, 1525, 1600, 1830, 1952, 2342, 2400, 2440, 2928, 3050, 3513, 3660, 3721, 3904, 4575, 4684, 4800, 4880, 5855, 5856, 6100, 7026, 7320, 7442, 9150, 9368, 9760, 11163, 11710, 11712, 12200, 14052, 14640, 14884, 17565, 18300, 18605, 18736, 19520, 22326, 23420, 24400, 28104, 29275, 29280, 29768, 35130, 36600, 37210, 37472, 44652, 46840, 48800, 55815, 56208, 58550, 58560, 59536, 70260, 71431, 73200, 74420, 74944, 87825, 89304, 93025, 93680, 97600, 111630, 112416, 117100, 119072, 140520, 142862, 146400, 148840, 175650, 178608, 186050, 187360, 214293, 223260, 224832, 234200, 238144, 279075, 281040, 285724, 292800, 297680, 351300, 357155, 357216, 372100, 374720, 428586, 446520, 468400, 558150, 562080, 571448, 595360, 702600, 714310, 714432, 744200, 857172, 893040, 936800, 1071465, 1116300, 1124160, 1142896, 1190720, 1405200, 1428620, 1488400, 1714344, 1785775, 1786080, 1873600, 2142930, 2232600, 2285792, 2810400, 2857240, 2976800, 3428688, 3571550, 3572160, 4285860, 4357291, 4465200, 4571584, 5357325, 5620800, 5714480, 5953600, 6857376, 7143100, 8571720, 8714582, 8930400, 10714650, 11428960, 13071873, 13714752, 14286200, 17143440, 17429164, 17860800, 21429300, 21786455, 22857920, 26143746, 28572400, 34286880, 34858328, 42858600, 43572910, 52287492, 57144800, 65359365, 68573760, 69716656, 85717200, 87145820, 104574984, 108932275, 114289600, 130718730, 139433312, 171434400, 174291640, 209149968, 217864550, 261437460, 278866624, 326796825, 342868800, 348583280, 418299936, 435729100, 522874920, 653593650, 697166560, 836599872, 871458200, 1045749840, 1307187300, 1394333120, 1742916400, 2091499680, 2614374600, 3485832800, 4182999360, 5228749200, 6971665600, 10457498400, 20914996800]

約数ペア:

[(1, 20914996800), (2, 10457498400), (3, 6971665600), (4, 5228749200), (5, 4182999360), (6, 3485832800), (8, 2614374600), (10, 2091499680), (12, 1742916400), (15, 1394333120), (16, 1307187300), (20, 1045749840), (24, 871458200), (25, 836599872), (30, 697166560), (32, 653593650), (40, 522874920), (48, 435729100), (50, 418299936), (60, 348583280), (61, 342868800), (64, 326796825), (75, 278866624), (80, 261437460), (96, 217864550), (100, 209149968), (120, 174291640), (122, 171434400), (150, 139433312), (160, 130718730), (183, 114289600), (192, 108932275), (200, 104574984), (240, 87145820), (244, 85717200), (300, 69716656), (305, 68573760), (320, 65359365), (366, 57144800), (400, 52287492), (480, 43572910), (488, 42858600), (600, 34858328), (610, 34286880), (732, 28572400), (800, 26143746), (915, 22857920), (960, 21786455), (976, 21429300), (1171, 17860800), (1200, 17429164), (1220, 17143440), (1464, 14286200), (1525, 13714752), (1600, 13071873), (1830, 11428960), (1952, 10714650), (2342, 8930400), (2400, 8714582), (2440, 8571720), (2928, 7143100), (3050, 6857376), (3513, 5953600), (3660, 5714480), (3721, 5620800), (3904, 5357325), (4575, 4571584), (4684, 4465200), (4800, 4357291), (4880, 4285860), (5855, 3572160), (5856, 3571550), (6100, 3428688), (7026, 2976800), (7320, 2857240), (7442, 2810400), (9150, 2285792), (9368, 2232600), (9760, 2142930), (11163, 1873600), (11710, 1786080), (11712, 1785775), (12200, 1714344), (14052, 1488400), (14640, 1428620), (14884, 1405200), (17565, 1190720), (18300, 1142896), (18605, 1124160), (18736, 1116300), (19520, 1071465), (22326, 936800), (23420, 893040), (24400, 857172), (28104, 744200), (29275, 714432), (29280, 714310), (29768, 702600), (35130, 595360), (36600, 571448), (37210, 562080), (37472, 558150), (44652, 468400), (46840, 446520), (48800, 428586), (55815, 374720), (56208, 372100), (58550, 357216), (58560, 357155), (59536, 351300), (70260, 297680), (71431, 292800), (73200, 285724), (74420, 281040), (74944, 279075), (87825, 238144), (89304, 234200), (93025, 224832), (93680, 223260), (97600, 214293), (111630, 187360), (112416, 186050), (117100, 178608), (119072, 175650), (140520, 148840), (142862, 146400)]