304702720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1156

約数の個数: 144

約数和(自身を含む): 861815808

約数和(自身を除く): 557113088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1097, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2194, 2240, 2480, 3472, 3968, 4340, 4388, 4480, 4960, 5485, 6944, 7679, 7936, 8680, 8776, 8960, 9920, 10970, 13888, 15358, 17360, 17552, 19840, 21940, 27776, 30716, 34007, 34720, 35104, 38395, 39680, 43880, 55552, 61432, 68014, 69440, 70208, 76790, 87760, 122864, 136028, 138880, 140416, 153580, 170035, 175520, 238049, 245728, 272056, 277760, 280832, 307160, 340070, 351040, 476098, 491456, 544112, 614320, 680140, 702080, 952196, 982912, 1088224, 1190245, 1228640, 1360280, 1404160, 1904392, 1965824, 2176448, 2380490, 2457280, 2720560, 3808784, 4352896, 4760980, 4914560, 5441120, 7617568, 8705792, 9521960, 9829120, 10882240, 15235136, 19043920, 21764480, 30470272, 38087840, 43528960, 60940544, 76175680, 152351360, 304702720]

約数ペア:

[(1, 304702720), (2, 152351360), (4, 76175680), (5, 60940544), (7, 43528960), (8, 38087840), (10, 30470272), (14, 21764480), (16, 19043920), (20, 15235136), (28, 10882240), (31, 9829120), (32, 9521960), (35, 8705792), (40, 7617568), (56, 5441120), (62, 4914560), (64, 4760980), (70, 4352896), (80, 3808784), (112, 2720560), (124, 2457280), (128, 2380490), (140, 2176448), (155, 1965824), (160, 1904392), (217, 1404160), (224, 1360280), (248, 1228640), (256, 1190245), (280, 1088224), (310, 982912), (320, 952196), (434, 702080), (448, 680140), (496, 614320), (560, 544112), (620, 491456), (640, 476098), (868, 351040), (896, 340070), (992, 307160), (1085, 280832), (1097, 277760), (1120, 272056), (1240, 245728), (1280, 238049), (1736, 175520), (1792, 170035), (1984, 153580), (2170, 140416), (2194, 138880), (2240, 136028), (2480, 122864), (3472, 87760), (3968, 76790), (4340, 70208), (4388, 69440), (4480, 68014), (4960, 61432), (5485, 55552), (6944, 43880), (7679, 39680), (7936, 38395), (8680, 35104), (8776, 34720), (8960, 34007), (9920, 30716), (10970, 27776), (13888, 21940), (15358, 19840), (17360, 17552)]