28132920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 99752400

約数和(自身を除く): 71619480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 457, 513, 540, 570, 648, 684, 760, 810, 855, 914, 1026, 1080, 1140, 1368, 1371, 1539, 1620, 1710, 1828, 2052, 2280, 2285, 2565, 2742, 3078, 3240, 3420, 3656, 4104, 4113, 4570, 5130, 5484, 6156, 6840, 6855, 7695, 8226, 8683, 9140, 10260, 10968, 12312, 12339, 13710, 15390, 16452, 17366, 18280, 20520, 20565, 24678, 26049, 27420, 30780, 32904, 34732, 37017, 41130, 43415, 49356, 52098, 54840, 61560, 61695, 69464, 74034, 78147, 82260, 86830, 98712, 104196, 123390, 130245, 148068, 156294, 164520, 173660, 185085, 208392, 234441, 246780, 260490, 296136, 312588, 347320, 370170, 390735, 468882, 493560, 520980, 625176, 703323, 740340, 781470, 937764, 1041960, 1172205, 1406646, 1480680, 1562940, 1875528, 2344410, 2813292, 3125880, 3516615, 4688820, 5626584, 7033230, 9377640, 14066460, 28132920]

約数ペア:

[(1, 28132920), (2, 14066460), (3, 9377640), (4, 7033230), (5, 5626584), (6, 4688820), (8, 3516615), (9, 3125880), (10, 2813292), (12, 2344410), (15, 1875528), (18, 1562940), (19, 1480680), (20, 1406646), (24, 1172205), (27, 1041960), (30, 937764), (36, 781470), (38, 740340), (40, 703323), (45, 625176), (54, 520980), (57, 493560), (60, 468882), (72, 390735), (76, 370170), (81, 347320), (90, 312588), (95, 296136), (108, 260490), (114, 246780), (120, 234441), (135, 208392), (152, 185085), (162, 173660), (171, 164520), (180, 156294), (190, 148068), (216, 130245), (228, 123390), (270, 104196), (285, 98712), (324, 86830), (342, 82260), (360, 78147), (380, 74034), (405, 69464), (456, 61695), (457, 61560), (513, 54840), (540, 52098), (570, 49356), (648, 43415), (684, 41130), (760, 37017), (810, 34732), (855, 32904), (914, 30780), (1026, 27420), (1080, 26049), (1140, 24678), (1368, 20565), (1371, 20520), (1539, 18280), (1620, 17366), (1710, 16452), (1828, 15390), (2052, 13710), (2280, 12339), (2285, 12312), (2565, 10968), (2742, 10260), (3078, 9140), (3240, 8683), (3420, 8226), (3656, 7695), (4104, 6855), (4113, 6840), (4570, 6156), (5130, 5484)]