30784180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 79349760

約数和(自身を除く): 48565580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 71, 76, 95, 133, 140, 142, 163, 190, 266, 284, 326, 355, 380, 497, 532, 652, 665, 710, 815, 994, 1141, 1330, 1349, 1420, 1630, 1988, 2282, 2485, 2660, 2698, 3097, 3260, 4564, 4970, 5396, 5705, 6194, 6745, 9443, 9940, 11410, 11573, 12388, 13490, 15485, 18886, 21679, 22820, 23146, 26980, 30970, 37772, 43358, 46292, 47215, 57865, 61940, 81011, 86716, 94430, 108395, 115730, 162022, 188860, 216790, 219887, 231460, 324044, 405055, 433580, 439774, 810110, 879548, 1099435, 1539209, 1620220, 2198870, 3078418, 4397740, 6156836, 7696045, 15392090, 30784180]

約数ペア:

[(1, 30784180), (2, 15392090), (4, 7696045), (5, 6156836), (7, 4397740), (10, 3078418), (14, 2198870), (19, 1620220), (20, 1539209), (28, 1099435), (35, 879548), (38, 810110), (70, 439774), (71, 433580), (76, 405055), (95, 324044), (133, 231460), (140, 219887), (142, 216790), (163, 188860), (190, 162022), (266, 115730), (284, 108395), (326, 94430), (355, 86716), (380, 81011), (497, 61940), (532, 57865), (652, 47215), (665, 46292), (710, 43358), (815, 37772), (994, 30970), (1141, 26980), (1330, 23146), (1349, 22820), (1420, 21679), (1630, 18886), (1988, 15485), (2282, 13490), (2485, 12388), (2660, 11573), (2698, 11410), (3097, 9940), (3260, 9443), (4564, 6745), (4970, 6194), (5396, 5705)]