28331550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 85307040

約数和(自身を除く): 56975490

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 29, 30, 39, 45, 50, 58, 65, 75, 78, 87, 90, 117, 130, 145, 150, 167, 174, 195, 225, 234, 261, 290, 325, 334, 377, 390, 435, 450, 501, 522, 585, 650, 725, 754, 835, 870, 975, 1002, 1131, 1170, 1305, 1450, 1503, 1670, 1885, 1950, 2171, 2175, 2262, 2505, 2610, 2925, 3006, 3393, 3770, 4175, 4342, 4350, 4843, 5010, 5655, 5850, 6513, 6525, 6786, 7515, 8350, 9425, 9686, 10855, 11310, 12525, 13026, 13050, 14529, 15030, 16965, 18850, 19539, 21710, 24215, 25050, 28275, 29058, 32565, 33930, 37575, 39078, 43587, 48430, 54275, 56550, 62959, 65130, 72645, 75150, 84825, 87174, 97695, 108550, 121075, 125918, 145290, 162825, 169650, 188877, 195390, 217935, 242150, 314795, 325650, 363225, 377754, 435870, 488475, 566631, 629590, 726450, 944385, 976950, 1089675, 1133262, 1573975, 1888770, 2179350, 2833155, 3147950, 4721925, 5666310, 9443850, 14165775, 28331550]

約数ペア:

[(1, 28331550), (2, 14165775), (3, 9443850), (5, 5666310), (6, 4721925), (9, 3147950), (10, 2833155), (13, 2179350), (15, 1888770), (18, 1573975), (25, 1133262), (26, 1089675), (29, 976950), (30, 944385), (39, 726450), (45, 629590), (50, 566631), (58, 488475), (65, 435870), (75, 377754), (78, 363225), (87, 325650), (90, 314795), (117, 242150), (130, 217935), (145, 195390), (150, 188877), (167, 169650), (174, 162825), (195, 145290), (225, 125918), (234, 121075), (261, 108550), (290, 97695), (325, 87174), (334, 84825), (377, 75150), (390, 72645), (435, 65130), (450, 62959), (501, 56550), (522, 54275), (585, 48430), (650, 43587), (725, 39078), (754, 37575), (835, 33930), (870, 32565), (975, 29058), (1002, 28275), (1131, 25050), (1170, 24215), (1305, 21710), (1450, 19539), (1503, 18850), (1670, 16965), (1885, 15030), (1950, 14529), (2171, 13050), (2175, 13026), (2262, 12525), (2505, 11310), (2610, 10855), (2925, 9686), (3006, 9425), (3393, 8350), (3770, 7515), (4175, 6786), (4342, 6525), (4350, 6513), (4843, 5850), (5010, 5655)]