28601640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 96940800

約数和(自身を除く): 68339160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 373, 426, 540, 568, 639, 710, 746, 852, 1065, 1080, 1119, 1278, 1420, 1492, 1704, 1865, 1917, 2130, 2238, 2556, 2840, 2984, 3195, 3357, 3730, 3834, 4260, 4476, 5112, 5595, 6390, 6714, 7460, 7668, 8520, 8952, 9585, 10071, 11190, 12780, 13428, 14920, 15336, 16785, 19170, 20142, 22380, 25560, 26483, 26856, 33570, 38340, 40284, 44760, 50355, 52966, 67140, 76680, 79449, 80568, 100710, 105932, 132415, 134280, 158898, 201420, 211864, 238347, 264830, 317796, 397245, 402840, 476694, 529660, 635592, 715041, 794490, 953388, 1059320, 1191735, 1430082, 1588980, 1906776, 2383470, 2860164, 3177960, 3575205, 4766940, 5720328, 7150410, 9533880, 14300820, 28601640]

約数ペア:

[(1, 28601640), (2, 14300820), (3, 9533880), (4, 7150410), (5, 5720328), (6, 4766940), (8, 3575205), (9, 3177960), (10, 2860164), (12, 2383470), (15, 1906776), (18, 1588980), (20, 1430082), (24, 1191735), (27, 1059320), (30, 953388), (36, 794490), (40, 715041), (45, 635592), (54, 529660), (60, 476694), (71, 402840), (72, 397245), (90, 317796), (108, 264830), (120, 238347), (135, 211864), (142, 201420), (180, 158898), (213, 134280), (216, 132415), (270, 105932), (284, 100710), (355, 80568), (360, 79449), (373, 76680), (426, 67140), (540, 52966), (568, 50355), (639, 44760), (710, 40284), (746, 38340), (852, 33570), (1065, 26856), (1080, 26483), (1119, 25560), (1278, 22380), (1420, 20142), (1492, 19170), (1704, 16785), (1865, 15336), (1917, 14920), (2130, 13428), (2238, 12780), (2556, 11190), (2840, 10071), (2984, 9585), (3195, 8952), (3357, 8520), (3730, 7668), (3834, 7460), (4260, 6714), (4476, 6390), (5112, 5595)]