25780860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 94610880

約数和(自身を除く): 68830020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 79, 84, 90, 98, 105, 111, 126, 140, 147, 148, 158, 180, 185, 196, 210, 222, 237, 245, 252, 259, 294, 315, 316, 333, 370, 395, 420, 441, 444, 474, 490, 518, 553, 555, 588, 630, 666, 711, 735, 740, 777, 790, 882, 948, 980, 1036, 1106, 1110, 1185, 1260, 1295, 1332, 1422, 1470, 1554, 1580, 1659, 1665, 1764, 1813, 2205, 2212, 2220, 2331, 2370, 2590, 2765, 2844, 2923, 2940, 3108, 3318, 3330, 3555, 3626, 3871, 3885, 4410, 4662, 4740, 4977, 5180, 5439, 5530, 5846, 6636, 6660, 7110, 7252, 7742, 7770, 8295, 8769, 8820, 9065, 9324, 9954, 10878, 11060, 11613, 11655, 11692, 14220, 14615, 15484, 15540, 16317, 16590, 17538, 18130, 19355, 19908, 20461, 21756, 23226, 23310, 24885, 26307, 27195, 29230, 32634, 33180, 34839, 35076, 36260, 38710, 40922, 43845, 46452, 46620, 49770, 52614, 54390, 58065, 58460, 61383, 65268, 69678, 77420, 81585, 81844, 87690, 99540, 102305, 105228, 108780, 116130, 122766, 131535, 139356, 143227, 163170, 174195, 175380, 184149, 204610, 232260, 245532, 263070, 286454, 306915, 326340, 348390, 368298, 409220, 429681, 526140, 572908, 613830, 696780, 716135, 736596, 859362, 920745, 1227660, 1289043, 1432270, 1718724, 1841490, 2148405, 2578086, 2864540, 3682980, 4296810, 5156172, 6445215, 8593620, 12890430, 25780860]

約数ペア:

[(1, 25780860), (2, 12890430), (3, 8593620), (4, 6445215), (5, 5156172), (6, 4296810), (7, 3682980), (9, 2864540), (10, 2578086), (12, 2148405), (14, 1841490), (15, 1718724), (18, 1432270), (20, 1289043), (21, 1227660), (28, 920745), (30, 859362), (35, 736596), (36, 716135), (37, 696780), (42, 613830), (45, 572908), (49, 526140), (60, 429681), (63, 409220), (70, 368298), (74, 348390), (79, 326340), (84, 306915), (90, 286454), (98, 263070), (105, 245532), (111, 232260), (126, 204610), (140, 184149), (147, 175380), (148, 174195), (158, 163170), (180, 143227), (185, 139356), (196, 131535), (210, 122766), (222, 116130), (237, 108780), (245, 105228), (252, 102305), (259, 99540), (294, 87690), (315, 81844), (316, 81585), (333, 77420), (370, 69678), (395, 65268), (420, 61383), (441, 58460), (444, 58065), (474, 54390), (490, 52614), (518, 49770), (553, 46620), (555, 46452), (588, 43845), (630, 40922), (666, 38710), (711, 36260), (735, 35076), (740, 34839), (777, 33180), (790, 32634), (882, 29230), (948, 27195), (980, 26307), (1036, 24885), (1106, 23310), (1110, 23226), (1185, 21756), (1260, 20461), (1295, 19908), (1332, 19355), (1422, 18130), (1470, 17538), (1554, 16590), (1580, 16317), (1659, 15540), (1665, 15484), (1764, 14615), (1813, 14220), (2205, 11692), (2212, 11655), (2220, 11613), (2331, 11060), (2370, 10878), (2590, 9954), (2765, 9324), (2844, 9065), (2923, 8820), (2940, 8769), (3108, 8295), (3318, 7770), (3330, 7742), (3555, 7252), (3626, 7110), (3871, 6660), (3885, 6636), (4410, 5846), (4662, 5530), (4740, 5439), (4977, 5180)]