15619240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 44097480

約数和(自身を除く): 28478240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 613, 637, 728, 910, 980, 1226, 1274, 1820, 1960, 2452, 2548, 3065, 3185, 3640, 4291, 4904, 5096, 6130, 6370, 7969, 8582, 12260, 12740, 15938, 17164, 21455, 24520, 25480, 30037, 31876, 34328, 39845, 42910, 55783, 60074, 63752, 79690, 85820, 111566, 120148, 150185, 159380, 171640, 223132, 240296, 278915, 300370, 318760, 390481, 446264, 557830, 600740, 780962, 1115660, 1201480, 1561924, 1952405, 2231320, 3123848, 3904810, 7809620, 15619240]

約数ペア:

[(1, 15619240), (2, 7809620), (4, 3904810), (5, 3123848), (7, 2231320), (8, 1952405), (10, 1561924), (13, 1201480), (14, 1115660), (20, 780962), (26, 600740), (28, 557830), (35, 446264), (40, 390481), (49, 318760), (52, 300370), (56, 278915), (65, 240296), (70, 223132), (91, 171640), (98, 159380), (104, 150185), (130, 120148), (140, 111566), (182, 85820), (196, 79690), (245, 63752), (260, 60074), (280, 55783), (364, 42910), (392, 39845), (455, 34328), (490, 31876), (520, 30037), (613, 25480), (637, 24520), (728, 21455), (910, 17164), (980, 15938), (1226, 12740), (1274, 12260), (1820, 8582), (1960, 7969), (2452, 6370), (2548, 6130), (3065, 5096), (3185, 4904), (3640, 4291)]