28508760

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{419}}^1$

素因数の和:452

約数の個数: 192

約数和(自身を含む): 110073600

約数和(自身を除く): 81564840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 419, 420, 486, 504, 540, 567, 630, 648, 756, 810, 838, 840, 945, 972, 1080, 1134, 1215, 1257, 1260, 1512, 1620, 1676, 1701, 1890, 1944, 2095, 2268, 2430, 2514, 2520, 2835, 2933, 3240, 3352, 3402, 3771, 3780, 4190, 4536, 4860, 5028, 5670, 5866, 6285, 6804, 7542, 7560, 8380, 8505, 8799, 9720, 10056, 11313, 11340, 11732, 12570, 13608, 14665, 15084, 16760, 17010, 17598, 18855, 22626, 22680, 23464, 25140, 26397, 29330, 30168, 33939, 34020, 35196, 37710, 43995, 45252, 50280, 52794, 56565, 58660, 67878, 68040, 70392, 75420, 79191, 87990, 90504, 101817, 105588, 113130, 117320, 131985, 135756, 150840, 158382, 169695, 175980, 203634, 211176, 226260, 237573, 263970, 271512, 316764, 339390, 351960, 395955, 407268, 452520, 475146, 509085, 527940, 633528, 678780, 712719, 791910, 814536, 950292, 1018170, 1055880, 1187865, 1357560, 1425438, 1583820, 1900584, 2036340, 2375730, 2850876, 3167640, 3563595, 4072680, 4751460, 5701752, 7127190, 9502920, 14254380, 28508760]

約数ペア:

[(1, 28508760), (2, 14254380), (3, 9502920), (4, 7127190), (5, 5701752), (6, 4751460), (7, 4072680), (8, 3563595), (9, 3167640), (10, 2850876), (12, 2375730), (14, 2036340), (15, 1900584), (18, 1583820), (20, 1425438), (21, 1357560), (24, 1187865), (27, 1055880), (28, 1018170), (30, 950292), (35, 814536), (36, 791910), (40, 712719), (42, 678780), (45, 633528), (54, 527940), (56, 509085), (60, 475146), (63, 452520), (70, 407268), (72, 395955), (81, 351960), (84, 339390), (90, 316764), (105, 271512), (108, 263970), (120, 237573), (126, 226260), (135, 211176), (140, 203634), (162, 175980), (168, 169695), (180, 158382), (189, 150840), (210, 135756), (216, 131985), (243, 117320), (252, 113130), (270, 105588), (280, 101817), (315, 90504), (324, 87990), (360, 79191), (378, 75420), (405, 70392), (419, 68040), (420, 67878), (486, 58660), (504, 56565), (540, 52794), (567, 50280), (630, 45252), (648, 43995), (756, 37710), (810, 35196), (838, 34020), (840, 33939), (945, 30168), (972, 29330), (1080, 26397), (1134, 25140), (1215, 23464), (1257, 22680), (1260, 22626), (1512, 18855), (1620, 17598), (1676, 17010), (1701, 16760), (1890, 15084), (1944, 14665), (2095, 13608), (2268, 12570), (2430, 11732), (2514, 11340), (2520, 11313), (2835, 10056), (2933, 9720), (3240, 8799), (3352, 8505), (3402, 8380), (3771, 7560), (3780, 7542), (4190, 6804), (4536, 6285), (4860, 5866), (5028, 5670)]