263697420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 864712800

約数和(自身を除く): 601015380

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, 196, 210, 245, 257, 294, 349, 420, 490, 514, 588, 698, 735, 771, 980, 1028, 1047, 1285, 1396, 1470, 1542, 1745, 1799, 2094, 2443, 2570, 2940, 3084, 3490, 3598, 3855, 4188, 4886, 5140, 5235, 5397, 6980, 7196, 7329, 7710, 8995, 9772, 10470, 10794, 12215, 12593, 14658, 15420, 17101, 17990, 20940, 21588, 24430, 25186, 26985, 29316, 34202, 35980, 36645, 37779, 48860, 50372, 51303, 53970, 62965, 68404, 73290, 75558, 85505, 89693, 102606, 107940, 125930, 146580, 151116, 171010, 179386, 188895, 205212, 251860, 256515, 269079, 342020, 358772, 377790, 448465, 513030, 538158, 627851, 755580, 896930, 1026060, 1076316, 1255702, 1345395, 1793860, 1883553, 2511404, 2690790, 3139255, 3767106, 4394957, 5381580, 6278510, 7534212, 8789914, 9417765, 12557020, 13184871, 17579828, 18835530, 21974785, 26369742, 37671060, 43949570, 52739484, 65924355, 87899140, 131848710, 263697420]

約数ペア:

[(1, 263697420), (2, 131848710), (3, 87899140), (4, 65924355), (5, 52739484), (6, 43949570), (7, 37671060), (10, 26369742), (12, 21974785), (14, 18835530), (15, 17579828), (20, 13184871), (21, 12557020), (28, 9417765), (30, 8789914), (35, 7534212), (42, 6278510), (49, 5381580), (60, 4394957), (70, 3767106), (84, 3139255), (98, 2690790), (105, 2511404), (140, 1883553), (147, 1793860), (196, 1345395), (210, 1255702), (245, 1076316), (257, 1026060), (294, 896930), (349, 755580), (420, 627851), (490, 538158), (514, 513030), (588, 448465), (698, 377790), (735, 358772), (771, 342020), (980, 269079), (1028, 256515), (1047, 251860), (1285, 205212), (1396, 188895), (1470, 179386), (1542, 171010), (1745, 151116), (1799, 146580), (2094, 125930), (2443, 107940), (2570, 102606), (2940, 89693), (3084, 85505), (3490, 75558), (3598, 73290), (3855, 68404), (4188, 62965), (4886, 53970), (5140, 51303), (5235, 50372), (5397, 48860), (6980, 37779), (7196, 36645), (7329, 35980), (7710, 34202), (8995, 29316), (9772, 26985), (10470, 25186), (10794, 24430), (12215, 21588), (12593, 20940), (14658, 17990), (15420, 17101)]