15775980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 50676192

約数和(自身を除く): 34900212

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 53, 55, 60, 66, 82, 106, 110, 121, 123, 132, 159, 164, 165, 205, 212, 220, 242, 246, 265, 318, 330, 363, 410, 451, 484, 492, 530, 583, 605, 615, 636, 660, 726, 795, 820, 902, 1060, 1166, 1210, 1230, 1353, 1452, 1590, 1749, 1804, 1815, 2173, 2255, 2332, 2420, 2460, 2706, 2915, 3180, 3498, 3630, 4346, 4510, 4961, 5412, 5830, 6413, 6519, 6765, 6996, 7260, 8692, 8745, 9020, 9922, 10865, 11660, 12826, 13038, 13530, 14883, 17490, 19239, 19844, 21730, 23903, 24805, 25652, 26076, 27060, 29766, 32065, 32595, 34980, 38478, 43460, 47806, 49610, 59532, 64130, 65190, 71709, 74415, 76956, 95612, 96195, 99220, 119515, 128260, 130380, 143418, 148830, 192390, 239030, 262933, 286836, 297660, 358545, 384780, 478060, 525866, 717090, 788799, 1051732, 1314665, 1434180, 1577598, 2629330, 3155196, 3943995, 5258660, 7887990, 15775980]

約数ペア:

[(1, 15775980), (2, 7887990), (3, 5258660), (4, 3943995), (5, 3155196), (6, 2629330), (10, 1577598), (11, 1434180), (12, 1314665), (15, 1051732), (20, 788799), (22, 717090), (30, 525866), (33, 478060), (41, 384780), (44, 358545), (53, 297660), (55, 286836), (60, 262933), (66, 239030), (82, 192390), (106, 148830), (110, 143418), (121, 130380), (123, 128260), (132, 119515), (159, 99220), (164, 96195), (165, 95612), (205, 76956), (212, 74415), (220, 71709), (242, 65190), (246, 64130), (265, 59532), (318, 49610), (330, 47806), (363, 43460), (410, 38478), (451, 34980), (484, 32595), (492, 32065), (530, 29766), (583, 27060), (605, 26076), (615, 25652), (636, 24805), (660, 23903), (726, 21730), (795, 19844), (820, 19239), (902, 17490), (1060, 14883), (1166, 13530), (1210, 13038), (1230, 12826), (1353, 11660), (1452, 10865), (1590, 9922), (1749, 9020), (1804, 8745), (1815, 8692), (2173, 7260), (2255, 6996), (2332, 6765), (2420, 6519), (2460, 6413), (2706, 5830), (2915, 5412), (3180, 4961), (3498, 4510), (3630, 4346)]