15721765080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20959}}^1$

素因数の和:21046

約数の個数: 256

約数和(自身を含む): 57950208000

約数和(自身を除く): 42228442920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 47, 56, 57, 60, 70, 76, 84, 94, 95, 105, 114, 120, 133, 140, 141, 152, 168, 188, 190, 210, 228, 235, 266, 280, 282, 285, 329, 376, 380, 399, 420, 456, 470, 532, 564, 570, 658, 665, 705, 760, 798, 840, 893, 940, 987, 1064, 1128, 1140, 1316, 1330, 1410, 1596, 1645, 1786, 1880, 1974, 1995, 2280, 2632, 2660, 2679, 2820, 3192, 3290, 3572, 3948, 3990, 4465, 4935, 5320, 5358, 5640, 6251, 6580, 7144, 7896, 7980, 8930, 9870, 10716, 12502, 13160, 13395, 15960, 17860, 18753, 19740, 20959, 21432, 25004, 26790, 31255, 35720, 37506, 39480, 41918, 50008, 53580, 62510, 62877, 75012, 83836, 93765, 104795, 107160, 125020, 125754, 146713, 150024, 167672, 187530, 209590, 250040, 251508, 293426, 314385, 375060, 398221, 419180, 440139, 503016, 586852, 628770, 733565, 750120, 796442, 838360, 880278, 985073, 1173704, 1194663, 1257540, 1467130, 1592884, 1760556, 1970146, 1991105, 2200695, 2389326, 2515080, 2787547, 2934260, 2955219, 3185768, 3521112, 3940292, 3982210, 4401390, 4778652, 4925365, 5575094, 5868520, 5910438, 5973315, 6895511, 7880584, 7964420, 8362641, 8802780, 9557304, 9850730, 11150188, 11820876, 11946630, 13791022, 13937735, 14776095, 15928840, 16725282, 17605560, 18716387, 19701460, 20686533, 22300376, 23641752, 23893260, 27582044, 27875470, 29552190, 33450564, 34477555, 37432774, 39402920, 41373066, 41813205, 47786520, 55164088, 55750940, 56149161, 59104380, 66901128, 68955110, 74865548, 82746132, 83626410, 93581935, 103432665, 111501880, 112298322, 118208760, 131014709, 137910220, 149731096, 165492264, 167252820, 187163870, 206865330, 224596644, 262029418, 275820440, 280745805, 334505640, 374327740, 393044127, 413730660, 449193288, 524058836, 561491610, 655073545, 748655480, 786088254, 827461320, 1048117672, 1122983220, 1310147090, 1572176508, 1965220635, 2245966440, 2620294180, 3144353016, 3930441270, 5240588360, 7860882540, 15721765080]

約数ペア:

[(1, 15721765080), (2, 7860882540), (3, 5240588360), (4, 3930441270), (5, 3144353016), (6, 2620294180), (7, 2245966440), (8, 1965220635), (10, 1572176508), (12, 1310147090), (14, 1122983220), (15, 1048117672), (19, 827461320), (20, 786088254), (21, 748655480), (24, 655073545), (28, 561491610), (30, 524058836), (35, 449193288), (38, 413730660), (40, 393044127), (42, 374327740), (47, 334505640), (56, 280745805), (57, 275820440), (60, 262029418), (70, 224596644), (76, 206865330), (84, 187163870), (94, 167252820), (95, 165492264), (105, 149731096), (114, 137910220), (120, 131014709), (133, 118208760), (140, 112298322), (141, 111501880), (152, 103432665), (168, 93581935), (188, 83626410), (190, 82746132), (210, 74865548), (228, 68955110), (235, 66901128), (266, 59104380), (280, 56149161), (282, 55750940), (285, 55164088), (329, 47786520), (376, 41813205), (380, 41373066), (399, 39402920), (420, 37432774), (456, 34477555), (470, 33450564), (532, 29552190), (564, 27875470), (570, 27582044), (658, 23893260), (665, 23641752), (705, 22300376), (760, 20686533), (798, 19701460), (840, 18716387), (893, 17605560), (940, 16725282), (987, 15928840), (1064, 14776095), (1128, 13937735), (1140, 13791022), (1316, 11946630), (1330, 11820876), (1410, 11150188), (1596, 9850730), (1645, 9557304), (1786, 8802780), (1880, 8362641), (1974, 7964420), (1995, 7880584), (2280, 6895511), (2632, 5973315), (2660, 5910438), (2679, 5868520), (2820, 5575094), (3192, 4925365), (3290, 4778652), (3572, 4401390), (3948, 3982210), (3990, 3940292), (4465, 3521112), (4935, 3185768), (5320, 2955219), (5358, 2934260), (5640, 2787547), (6251, 2515080), (6580, 2389326), (7144, 2200695), (7896, 1991105), (7980, 1970146), (8930, 1760556), (9870, 1592884), (10716, 1467130), (12502, 1257540), (13160, 1194663), (13395, 1173704), (15960, 985073), (17860, 880278), (18753, 838360), (19740, 796442), (20959, 750120), (21432, 733565), (25004, 628770), (26790, 586852), (31255, 503016), (35720, 440139), (37506, 419180), (39480, 398221), (41918, 375060), (50008, 314385), (53580, 293426), (62510, 251508), (62877, 250040), (75012, 209590), (83836, 187530), (93765, 167672), (104795, 150024), (107160, 146713), (125020, 125754)]