129703980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 426668256

約数和(自身を除く): 296964276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 157, 196, 210, 245, 281, 294, 314, 420, 471, 490, 562, 588, 628, 735, 785, 843, 942, 980, 1099, 1124, 1405, 1470, 1570, 1686, 1884, 1967, 2198, 2355, 2810, 2940, 3140, 3297, 3372, 3934, 4215, 4396, 4710, 5495, 5620, 5901, 6594, 7693, 7868, 8430, 9420, 9835, 10990, 11802, 13188, 13769, 15386, 16485, 16860, 19670, 21980, 23079, 23604, 27538, 29505, 30772, 32970, 38465, 39340, 41307, 44117, 46158, 55076, 59010, 65940, 68845, 76930, 82614, 88234, 92316, 115395, 118020, 132351, 137690, 153860, 165228, 176468, 206535, 220585, 230790, 264702, 275380, 308819, 413070, 441170, 461580, 529404, 617638, 661755, 826140, 882340, 926457, 1235276, 1323510, 1544095, 1852914, 2161733, 2647020, 3088190, 3705828, 4323466, 4632285, 6176380, 6485199, 8646932, 9264570, 10808665, 12970398, 18529140, 21617330, 25940796, 32425995, 43234660, 64851990, 129703980]

約数ペア:

[(1, 129703980), (2, 64851990), (3, 43234660), (4, 32425995), (5, 25940796), (6, 21617330), (7, 18529140), (10, 12970398), (12, 10808665), (14, 9264570), (15, 8646932), (20, 6485199), (21, 6176380), (28, 4632285), (30, 4323466), (35, 3705828), (42, 3088190), (49, 2647020), (60, 2161733), (70, 1852914), (84, 1544095), (98, 1323510), (105, 1235276), (140, 926457), (147, 882340), (157, 826140), (196, 661755), (210, 617638), (245, 529404), (281, 461580), (294, 441170), (314, 413070), (420, 308819), (471, 275380), (490, 264702), (562, 230790), (588, 220585), (628, 206535), (735, 176468), (785, 165228), (843, 153860), (942, 137690), (980, 132351), (1099, 118020), (1124, 115395), (1405, 92316), (1470, 88234), (1570, 82614), (1686, 76930), (1884, 68845), (1967, 65940), (2198, 59010), (2355, 55076), (2810, 46158), (2940, 44117), (3140, 41307), (3297, 39340), (3372, 38465), (3934, 32970), (4215, 30772), (4396, 29505), (4710, 27538), (5495, 23604), (5620, 23079), (5901, 21980), (6594, 19670), (7693, 16860), (7868, 16485), (8430, 15386), (9420, 13769), (9835, 13188), (10990, 11802)]