309938720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3041}}^1$

素因数の和:3083

約数の個数: 144

約数和(自身を含む): 917601048

約数和(自身を除く): 607662328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2548, 2912, 3041, 3185, 3640, 3920, 5096, 6082, 6370, 7280, 7840, 10192, 12164, 12740, 14560, 15205, 20384, 21287, 24328, 25480, 30410, 39533, 42574, 48656, 50960, 60820, 79066, 85148, 97312, 101920, 106435, 121640, 149009, 158132, 170296, 197665, 212870, 243280, 276731, 298018, 316264, 340592, 395330, 425740, 486560, 553462, 596036, 632528, 681184, 745045, 790660, 851480, 1106924, 1192072, 1265056, 1383655, 1490090, 1581320, 1702960, 1937117, 2213848, 2384144, 2767310, 2980180, 3162640, 3405920, 3874234, 4427696, 4768288, 5534620, 5960360, 6325280, 7748468, 8855392, 9685585, 11069240, 11920720, 15496936, 19371170, 22138480, 23841440, 30993872, 38742340, 44276960, 61987744, 77484680, 154969360, 309938720]

約数ペア:

[(1, 309938720), (2, 154969360), (4, 77484680), (5, 61987744), (7, 44276960), (8, 38742340), (10, 30993872), (13, 23841440), (14, 22138480), (16, 19371170), (20, 15496936), (26, 11920720), (28, 11069240), (32, 9685585), (35, 8855392), (40, 7748468), (49, 6325280), (52, 5960360), (56, 5534620), (65, 4768288), (70, 4427696), (80, 3874234), (91, 3405920), (98, 3162640), (104, 2980180), (112, 2767310), (130, 2384144), (140, 2213848), (160, 1937117), (182, 1702960), (196, 1581320), (208, 1490090), (224, 1383655), (245, 1265056), (260, 1192072), (280, 1106924), (364, 851480), (392, 790660), (416, 745045), (455, 681184), (490, 632528), (520, 596036), (560, 553462), (637, 486560), (728, 425740), (784, 395330), (910, 340592), (980, 316264), (1040, 298018), (1120, 276731), (1274, 243280), (1456, 212870), (1568, 197665), (1820, 170296), (1960, 158132), (2080, 149009), (2548, 121640), (2912, 106435), (3041, 101920), (3185, 97312), (3640, 85148), (3920, 79066), (5096, 60820), (6082, 50960), (6370, 48656), (7280, 42574), (7840, 39533), (10192, 30410), (12164, 25480), (12740, 24328), (14560, 21287), (15205, 20384)]