28305539640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{61379}}^1$

素因数の和:61467

約数の個数: 256

約数和(自身を含む): 109600128000

約数和(自身を除く): 81294588360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 61, 63, 70, 72, 84, 90, 105, 108, 120, 122, 126, 135, 140, 168, 180, 183, 189, 210, 216, 244, 252, 270, 280, 305, 315, 360, 366, 378, 420, 427, 488, 504, 540, 549, 610, 630, 732, 756, 840, 854, 915, 945, 1080, 1098, 1220, 1260, 1281, 1464, 1512, 1647, 1708, 1830, 1890, 2135, 2196, 2440, 2520, 2562, 2745, 3294, 3416, 3660, 3780, 3843, 4270, 4392, 5124, 5490, 6405, 6588, 7320, 7560, 7686, 8235, 8540, 10248, 10980, 11529, 12810, 13176, 15372, 16470, 17080, 19215, 21960, 23058, 25620, 30744, 32940, 38430, 46116, 51240, 57645, 61379, 65880, 76860, 92232, 115290, 122758, 153720, 184137, 230580, 245516, 306895, 368274, 429653, 461160, 491032, 552411, 613790, 736548, 859306, 920685, 1104822, 1227580, 1288959, 1473096, 1657233, 1718612, 1841370, 2148265, 2209644, 2455160, 2577918, 2762055, 3314466, 3437224, 3682740, 3744119, 3866877, 4296530, 4419288, 5155836, 5524110, 6444795, 6628932, 7365480, 7488238, 7733754, 8286165, 8593060, 10311672, 11048220, 11232357, 11600631, 12889590, 13257864, 14976476, 15467508, 16572330, 17186120, 18720595, 19334385, 22096440, 22464714, 23201262, 25779180, 26208833, 29952952, 30935016, 33144660, 33697071, 37441190, 38668770, 44929428, 46402524, 51558360, 52417666, 56161785, 58003155, 66289320, 67394142, 74882380, 77337540, 78626499, 89858856, 92805048, 101091213, 104835332, 112323570, 116006310, 131044165, 134788284, 149764760, 154675080, 157252998, 168485355, 202182426, 209670664, 224647140, 232012620, 235879497, 262088330, 269576568, 314505996, 336970710, 393132495, 404364852, 449294280, 464025240, 471758994, 505456065, 524176660, 629011992, 673941420, 707638491, 786264990, 808729704, 943517988, 1010912130, 1048353320, 1179397485, 1347882840, 1415276982, 1572529980, 1887035976, 2021824260, 2358794970, 2830553964, 3145059960, 3538192455, 4043648520, 4717589940, 5661107928, 7076384910, 9435179880, 14152769820, 28305539640]

約数ペア:

[(1, 28305539640), (2, 14152769820), (3, 9435179880), (4, 7076384910), (5, 5661107928), (6, 4717589940), (7, 4043648520), (8, 3538192455), (9, 3145059960), (10, 2830553964), (12, 2358794970), (14, 2021824260), (15, 1887035976), (18, 1572529980), (20, 1415276982), (21, 1347882840), (24, 1179397485), (27, 1048353320), (28, 1010912130), (30, 943517988), (35, 808729704), (36, 786264990), (40, 707638491), (42, 673941420), (45, 629011992), (54, 524176660), (56, 505456065), (60, 471758994), (61, 464025240), (63, 449294280), (70, 404364852), (72, 393132495), (84, 336970710), (90, 314505996), (105, 269576568), (108, 262088330), (120, 235879497), (122, 232012620), (126, 224647140), (135, 209670664), (140, 202182426), (168, 168485355), (180, 157252998), (183, 154675080), (189, 149764760), (210, 134788284), (216, 131044165), (244, 116006310), (252, 112323570), (270, 104835332), (280, 101091213), (305, 92805048), (315, 89858856), (360, 78626499), (366, 77337540), (378, 74882380), (420, 67394142), (427, 66289320), (488, 58003155), (504, 56161785), (540, 52417666), (549, 51558360), (610, 46402524), (630, 44929428), (732, 38668770), (756, 37441190), (840, 33697071), (854, 33144660), (915, 30935016), (945, 29952952), (1080, 26208833), (1098, 25779180), (1220, 23201262), (1260, 22464714), (1281, 22096440), (1464, 19334385), (1512, 18720595), (1647, 17186120), (1708, 16572330), (1830, 15467508), (1890, 14976476), (2135, 13257864), (2196, 12889590), (2440, 11600631), (2520, 11232357), (2562, 11048220), (2745, 10311672), (3294, 8593060), (3416, 8286165), (3660, 7733754), (3780, 7488238), (3843, 7365480), (4270, 6628932), (4392, 6444795), (5124, 5524110), (5490, 5155836), (6405, 4419288), (6588, 4296530), (7320, 3866877), (7560, 3744119), (7686, 3682740), (8235, 3437224), (8540, 3314466), (10248, 2762055), (10980, 2577918), (11529, 2455160), (12810, 2209644), (13176, 2148265), (15372, 1841370), (16470, 1718612), (17080, 1657233), (19215, 1473096), (21960, 1288959), (23058, 1227580), (25620, 1104822), (30744, 920685), (32940, 859306), (38430, 736548), (46116, 613790), (51240, 552411), (57645, 491032), (61379, 461160), (65880, 429653), (76860, 368274), (92232, 306895), (115290, 245516), (122758, 230580), (153720, 184137)]