28912680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1448

約数の個数: 128

約数和(自身を含む): 101520000

約数和(自身を除く): 72607320

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, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1409, 1710, 2052, 2280, 2565, 2818, 3420, 4104, 4227, 5130, 5636, 6840, 7045, 8454, 10260, 11272, 12681, 14090, 16908, 20520, 21135, 25362, 26771, 28180, 33816, 38043, 42270, 50724, 53542, 56360, 63405, 76086, 80313, 84540, 101448, 107084, 126810, 133855, 152172, 160626, 169080, 190215, 214168, 240939, 253620, 267710, 304344, 321252, 380430, 401565, 481878, 507240, 535420, 642504, 722817, 760860, 803130, 963756, 1070840, 1204695, 1445634, 1521720, 1606260, 1927512, 2409390, 2891268, 3212520, 3614085, 4818780, 5782536, 7228170, 9637560, 14456340, 28912680]

約数ペア:

[(1, 28912680), (2, 14456340), (3, 9637560), (4, 7228170), (5, 5782536), (6, 4818780), (8, 3614085), (9, 3212520), (10, 2891268), (12, 2409390), (15, 1927512), (18, 1606260), (19, 1521720), (20, 1445634), (24, 1204695), (27, 1070840), (30, 963756), (36, 803130), (38, 760860), (40, 722817), (45, 642504), (54, 535420), (57, 507240), (60, 481878), (72, 401565), (76, 380430), (90, 321252), (95, 304344), (108, 267710), (114, 253620), (120, 240939), (135, 214168), (152, 190215), (171, 169080), (180, 160626), (190, 152172), (216, 133855), (228, 126810), (270, 107084), (285, 101448), (342, 84540), (360, 80313), (380, 76086), (456, 63405), (513, 56360), (540, 53542), (570, 50724), (684, 42270), (760, 38043), (855, 33816), (1026, 28180), (1080, 26771), (1140, 25362), (1368, 21135), (1409, 20520), (1710, 16908), (2052, 14090), (2280, 12681), (2565, 11272), (2818, 10260), (3420, 8454), (4104, 7045), (4227, 6840), (5130, 5636)]