64438920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 288

約数和(自身を含む): 263292120

約数和(自身を除く): 198853200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 98, 104, 105, 117, 120, 126, 130, 140, 147, 156, 168, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 280, 281, 294, 312, 315, 360, 364, 390, 392, 420, 441, 455, 468, 490, 504, 520, 546, 562, 585, 588, 630, 637, 728, 735, 780, 819, 840, 843, 882, 910, 936, 980, 1092, 1124, 1170, 1176, 1260, 1274, 1365, 1405, 1470, 1560, 1638, 1686, 1764, 1820, 1911, 1960, 1967, 2184, 2205, 2248, 2340, 2520, 2529, 2548, 2730, 2810, 2940, 3185, 3276, 3372, 3528, 3640, 3653, 3822, 3934, 4095, 4215, 4410, 4680, 5058, 5096, 5460, 5620, 5733, 5880, 5901, 6370, 6552, 6744, 7306, 7644, 7868, 8190, 8430, 8820, 9555, 9835, 10116, 10920, 10959, 11240, 11466, 11802, 12645, 12740, 13769, 14612, 15288, 15736, 16380, 16860, 17640, 17703, 18265, 19110, 19670, 20232, 21918, 22932, 23604, 25290, 25480, 25571, 27538, 28665, 29224, 29505, 32760, 32877, 33720, 35406, 36530, 38220, 39340, 41307, 43836, 45864, 47208, 50580, 51142, 54795, 55076, 57330, 59010, 65754, 68845, 70812, 73060, 76440, 76713, 78680, 82614, 87672, 88515, 101160, 102284, 109590, 110152, 114660, 118020, 123921, 127855, 131508, 137690, 141624, 146120, 153426, 164385, 165228, 177030, 178997, 204568, 206535, 219180, 229320, 230139, 236040, 247842, 255710, 263016, 275380, 306852, 328770, 330456, 354060, 357994, 383565, 413070, 438360, 460278, 495684, 511420, 536991, 550760, 613704, 619605, 657540, 708120, 715988, 767130, 826140, 894985, 920556, 991368, 1022840, 1073982, 1150695, 1239210, 1315080, 1431976, 1534260, 1610973, 1652280, 1789970, 1841112, 2147964, 2301390, 2478420, 2684955, 3068520, 3221946, 3579940, 4295928, 4602780, 4956840, 5369910, 6443892, 7159880, 8054865, 9205560, 10739820, 12887784, 16109730, 21479640, 32219460, 64438920]

約数ペア:

[(1, 64438920), (2, 32219460), (3, 21479640), (4, 16109730), (5, 12887784), (6, 10739820), (7, 9205560), (8, 8054865), (9, 7159880), (10, 6443892), (12, 5369910), (13, 4956840), (14, 4602780), (15, 4295928), (18, 3579940), (20, 3221946), (21, 3068520), (24, 2684955), (26, 2478420), (28, 2301390), (30, 2147964), (35, 1841112), (36, 1789970), (39, 1652280), (40, 1610973), (42, 1534260), (45, 1431976), (49, 1315080), (52, 1239210), (56, 1150695), (60, 1073982), (63, 1022840), (65, 991368), (70, 920556), (72, 894985), (78, 826140), (84, 767130), (90, 715988), (91, 708120), (98, 657540), (104, 619605), (105, 613704), (117, 550760), (120, 536991), (126, 511420), (130, 495684), (140, 460278), (147, 438360), (156, 413070), (168, 383565), (180, 357994), (182, 354060), (195, 330456), (196, 328770), (210, 306852), (234, 275380), (245, 263016), (252, 255710), (260, 247842), (273, 236040), (280, 230139), (281, 229320), (294, 219180), (312, 206535), (315, 204568), (360, 178997), (364, 177030), (390, 165228), (392, 164385), (420, 153426), (441, 146120), (455, 141624), (468, 137690), (490, 131508), (504, 127855), (520, 123921), (546, 118020), (562, 114660), (585, 110152), (588, 109590), (630, 102284), (637, 101160), (728, 88515), (735, 87672), (780, 82614), (819, 78680), (840, 76713), (843, 76440), (882, 73060), (910, 70812), (936, 68845), (980, 65754), (1092, 59010), (1124, 57330), (1170, 55076), (1176, 54795), (1260, 51142), (1274, 50580), (1365, 47208), (1405, 45864), (1470, 43836), (1560, 41307), (1638, 39340), (1686, 38220), (1764, 36530), (1820, 35406), (1911, 33720), (1960, 32877), (1967, 32760), (2184, 29505), (2205, 29224), (2248, 28665), (2340, 27538), (2520, 25571), (2529, 25480), (2548, 25290), (2730, 23604), (2810, 22932), (2940, 21918), (3185, 20232), (3276, 19670), (3372, 19110), (3528, 18265), (3640, 17703), (3653, 17640), (3822, 16860), (3934, 16380), (4095, 15736), (4215, 15288), (4410, 14612), (4680, 13769), (5058, 12740), (5096, 12645), (5460, 11802), (5620, 11466), (5733, 11240), (5880, 10959), (5901, 10920), (6370, 10116), (6552, 9835), (6744, 9555), (7306, 8820), (7644, 8430), (7868, 8190)]