451310720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:926

約数の個数: 128

約数和(自身を含む): 1244073600

約数和(自身を除く): 792762880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 262, 280, 320, 448, 524, 560, 640, 655, 769, 896, 917, 1048, 1120, 1310, 1538, 1834, 2096, 2240, 2620, 3076, 3668, 3845, 4192, 4480, 4585, 5240, 5383, 6152, 7336, 7690, 8384, 9170, 10480, 10766, 12304, 14672, 15380, 16768, 18340, 20960, 21532, 24608, 26915, 29344, 30760, 36680, 41920, 43064, 49216, 53830, 58688, 61520, 73360, 83840, 86128, 98432, 100739, 107660, 117376, 123040, 146720, 172256, 201478, 215320, 246080, 293440, 344512, 402956, 430640, 492160, 503695, 586880, 689024, 705173, 805912, 861280, 1007390, 1410346, 1611824, 1722560, 2014780, 2820692, 3223648, 3445120, 3525865, 4029560, 5641384, 6447296, 7051730, 8059120, 11282768, 12894592, 14103460, 16118240, 22565536, 28206920, 32236480, 45131072, 56413840, 64472960, 90262144, 112827680, 225655360, 451310720]

約数ペア:

[(1, 451310720), (2, 225655360), (4, 112827680), (5, 90262144), (7, 64472960), (8, 56413840), (10, 45131072), (14, 32236480), (16, 28206920), (20, 22565536), (28, 16118240), (32, 14103460), (35, 12894592), (40, 11282768), (56, 8059120), (64, 7051730), (70, 6447296), (80, 5641384), (112, 4029560), (128, 3525865), (131, 3445120), (140, 3223648), (160, 2820692), (224, 2014780), (262, 1722560), (280, 1611824), (320, 1410346), (448, 1007390), (524, 861280), (560, 805912), (640, 705173), (655, 689024), (769, 586880), (896, 503695), (917, 492160), (1048, 430640), (1120, 402956), (1310, 344512), (1538, 293440), (1834, 246080), (2096, 215320), (2240, 201478), (2620, 172256), (3076, 146720), (3668, 123040), (3845, 117376), (4192, 107660), (4480, 100739), (4585, 98432), (5240, 86128), (5383, 83840), (6152, 73360), (7336, 61520), (7690, 58688), (8384, 53830), (9170, 49216), (10480, 43064), (10766, 41920), (12304, 36680), (14672, 30760), (15380, 29344), (16768, 26915), (18340, 24608), (20960, 21532)]