428617280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:437

約数の個数: 224

約数和(自身を含む): 1290401280

約数和(自身を除く): 861784000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 52, 56, 64, 65, 70, 80, 82, 91, 104, 112, 130, 140, 160, 164, 182, 205, 208, 224, 260, 280, 287, 320, 328, 359, 364, 410, 416, 448, 455, 520, 533, 560, 574, 656, 718, 728, 820, 832, 910, 1040, 1066, 1120, 1148, 1312, 1435, 1436, 1456, 1640, 1795, 1820, 2080, 2132, 2240, 2296, 2513, 2624, 2665, 2870, 2872, 2912, 3280, 3590, 3640, 3731, 4160, 4264, 4592, 4667, 5026, 5330, 5740, 5744, 5824, 6560, 7180, 7280, 7462, 8528, 9184, 9334, 10052, 10660, 11480, 11488, 12565, 13120, 14360, 14560, 14719, 14924, 17056, 18368, 18655, 18668, 20104, 21320, 22960, 22976, 23335, 25130, 28720, 29120, 29438, 29848, 32669, 34112, 37310, 37336, 40208, 42640, 45920, 46670, 50260, 57440, 58876, 59696, 65338, 73595, 74620, 74672, 80416, 85280, 91840, 93340, 100520, 103033, 114880, 117752, 119392, 130676, 147190, 149240, 149344, 160832, 163345, 170560, 186680, 191347, 201040, 206066, 235504, 238784, 261352, 294380, 298480, 298688, 326690, 373360, 382694, 402080, 412132, 471008, 515165, 522704, 588760, 596960, 653380, 746720, 765388, 804160, 824264, 942016, 956735, 1030330, 1045408, 1177520, 1193920, 1306760, 1339429, 1493440, 1530776, 1648528, 1913470, 2060660, 2090816, 2355040, 2613520, 2678858, 3061552, 3297056, 3826940, 4121320, 4710080, 5227040, 5357716, 6123104, 6594112, 6697145, 7653880, 8242640, 10454080, 10715432, 12246208, 13394290, 15307760, 16485280, 21430864, 26788580, 30615520, 32970560, 42861728, 53577160, 61231040, 85723456, 107154320, 214308640, 428617280]

約数ペア:

[(1, 428617280), (2, 214308640), (4, 107154320), (5, 85723456), (7, 61231040), (8, 53577160), (10, 42861728), (13, 32970560), (14, 30615520), (16, 26788580), (20, 21430864), (26, 16485280), (28, 15307760), (32, 13394290), (35, 12246208), (40, 10715432), (41, 10454080), (52, 8242640), (56, 7653880), (64, 6697145), (65, 6594112), (70, 6123104), (80, 5357716), (82, 5227040), (91, 4710080), (104, 4121320), (112, 3826940), (130, 3297056), (140, 3061552), (160, 2678858), (164, 2613520), (182, 2355040), (205, 2090816), (208, 2060660), (224, 1913470), (260, 1648528), (280, 1530776), (287, 1493440), (320, 1339429), (328, 1306760), (359, 1193920), (364, 1177520), (410, 1045408), (416, 1030330), (448, 956735), (455, 942016), (520, 824264), (533, 804160), (560, 765388), (574, 746720), (656, 653380), (718, 596960), (728, 588760), (820, 522704), (832, 515165), (910, 471008), (1040, 412132), (1066, 402080), (1120, 382694), (1148, 373360), (1312, 326690), (1435, 298688), (1436, 298480), (1456, 294380), (1640, 261352), (1795, 238784), (1820, 235504), (2080, 206066), (2132, 201040), (2240, 191347), (2296, 186680), (2513, 170560), (2624, 163345), (2665, 160832), (2870, 149344), (2872, 149240), (2912, 147190), (3280, 130676), (3590, 119392), (3640, 117752), (3731, 114880), (4160, 103033), (4264, 100520), (4592, 93340), (4667, 91840), (5026, 85280), (5330, 80416), (5740, 74672), (5744, 74620), (5824, 73595), (6560, 65338), (7180, 59696), (7280, 58876), (7462, 57440), (8528, 50260), (9184, 46670), (9334, 45920), (10052, 42640), (10660, 40208), (11480, 37336), (11488, 37310), (12565, 34112), (13120, 32669), (14360, 29848), (14560, 29438), (14719, 29120), (14924, 28720), (17056, 25130), (18368, 23335), (18655, 22976), (18668, 22960), (20104, 21320)]