639031392

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:445

約数の個数: 144

約数和(自身を含む): 1862799120

約数和(自身を除く): 1223767728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 107, 144, 178, 214, 233, 267, 288, 321, 356, 428, 466, 534, 642, 699, 712, 801, 856, 932, 963, 1068, 1284, 1398, 1424, 1602, 1712, 1864, 1926, 2097, 2136, 2568, 2796, 2848, 3204, 3424, 3728, 3852, 4194, 4272, 5136, 5592, 6408, 7456, 7704, 8388, 8544, 9523, 10272, 11184, 12816, 15408, 16776, 19046, 20737, 22368, 24931, 25632, 28569, 30816, 33552, 38092, 41474, 49862, 57138, 62211, 67104, 74793, 76184, 82948, 85707, 99724, 114276, 124422, 149586, 152368, 165896, 171414, 186633, 199448, 224379, 228552, 248844, 299172, 304736, 331792, 342828, 373266, 398896, 448758, 457104, 497688, 598344, 663584, 685656, 746532, 797792, 897516, 914208, 995376, 1196688, 1371312, 1493064, 1795032, 1990752, 2218859, 2393376, 2742624, 2986128, 3590064, 4437718, 5972256, 6656577, 7180128, 8875436, 13313154, 17750872, 19969731, 26626308, 35501744, 39939462, 53252616, 71003488, 79878924, 106505232, 159757848, 213010464, 319515696, 639031392]

約数ペア:

[(1, 639031392), (2, 319515696), (3, 213010464), (4, 159757848), (6, 106505232), (8, 79878924), (9, 71003488), (12, 53252616), (16, 39939462), (18, 35501744), (24, 26626308), (32, 19969731), (36, 17750872), (48, 13313154), (72, 8875436), (89, 7180128), (96, 6656577), (107, 5972256), (144, 4437718), (178, 3590064), (214, 2986128), (233, 2742624), (267, 2393376), (288, 2218859), (321, 1990752), (356, 1795032), (428, 1493064), (466, 1371312), (534, 1196688), (642, 995376), (699, 914208), (712, 897516), (801, 797792), (856, 746532), (932, 685656), (963, 663584), (1068, 598344), (1284, 497688), (1398, 457104), (1424, 448758), (1602, 398896), (1712, 373266), (1864, 342828), (1926, 331792), (2097, 304736), (2136, 299172), (2568, 248844), (2796, 228552), (2848, 224379), (3204, 199448), (3424, 186633), (3728, 171414), (3852, 165896), (4194, 152368), (4272, 149586), (5136, 124422), (5592, 114276), (6408, 99724), (7456, 85707), (7704, 82948), (8388, 76184), (8544, 74793), (9523, 67104), (10272, 62211), (11184, 57138), (12816, 49862), (15408, 41474), (16776, 38092), (19046, 33552), (20737, 30816), (22368, 28569), (24931, 25632)]