28136340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 108

約数和(自身を含む): 90283284

約数和(自身を除く): 62146944

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 433, 570, 684, 722, 855, 866, 1083, 1140, 1299, 1444, 1710, 1732, 1805, 2165, 2166, 2598, 3249, 3420, 3610, 3897, 4330, 4332, 5196, 5415, 6495, 6498, 7220, 7794, 8227, 8660, 10830, 12990, 12996, 15588, 16245, 16454, 19485, 21660, 24681, 25980, 32490, 32908, 38970, 41135, 49362, 64980, 74043, 77940, 82270, 98724, 123405, 148086, 156313, 164540, 246810, 296172, 312626, 370215, 468939, 493620, 625252, 740430, 781565, 937878, 1406817, 1480860, 1563130, 1875756, 2344695, 2813634, 3126260, 4689390, 5627268, 7034085, 9378780, 14068170, 28136340]

約数ペア:

[(1, 28136340), (2, 14068170), (3, 9378780), (4, 7034085), (5, 5627268), (6, 4689390), (9, 3126260), (10, 2813634), (12, 2344695), (15, 1875756), (18, 1563130), (19, 1480860), (20, 1406817), (30, 937878), (36, 781565), (38, 740430), (45, 625252), (57, 493620), (60, 468939), (76, 370215), (90, 312626), (95, 296172), (114, 246810), (171, 164540), (180, 156313), (190, 148086), (228, 123405), (285, 98724), (342, 82270), (361, 77940), (380, 74043), (433, 64980), (570, 49362), (684, 41135), (722, 38970), (855, 32908), (866, 32490), (1083, 25980), (1140, 24681), (1299, 21660), (1444, 19485), (1710, 16454), (1732, 16245), (1805, 15588), (2165, 12996), (2166, 12990), (2598, 10830), (3249, 8660), (3420, 8227), (3610, 7794), (3897, 7220), (4330, 6498), (4332, 6495), (5196, 5415)]