28816920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:430

約数の個数: 192

約数和(自身を含む): 107827200

約数和(自身を除く): 79010280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 264, 285, 330, 342, 360, 380, 383, 396, 418, 440, 456, 495, 570, 627, 660, 684, 760, 766, 792, 836, 855, 990, 1045, 1140, 1149, 1254, 1320, 1368, 1532, 1672, 1710, 1881, 1915, 1980, 2090, 2280, 2298, 2508, 3064, 3135, 3420, 3447, 3762, 3830, 3960, 4180, 4213, 4596, 5016, 5745, 6270, 6840, 6894, 7277, 7524, 7660, 8360, 8426, 9192, 9405, 11490, 12540, 12639, 13788, 14554, 15048, 15320, 16852, 17235, 18810, 21065, 21831, 22980, 25080, 25278, 27576, 29108, 33704, 34470, 36385, 37620, 37917, 42130, 43662, 45960, 50556, 58216, 63195, 65493, 68940, 72770, 75240, 75834, 80047, 84260, 87324, 101112, 109155, 126390, 130986, 137880, 145540, 151668, 160094, 168520, 174648, 189585, 218310, 240141, 252780, 261972, 291080, 303336, 320188, 327465, 379170, 400235, 436620, 480282, 505560, 523944, 640376, 654930, 720423, 758340, 800470, 873240, 960564, 1200705, 1309860, 1440846, 1516680, 1600940, 1921128, 2401410, 2619720, 2881692, 3201880, 3602115, 4802820, 5763384, 7204230, 9605640, 14408460, 28816920]

約数ペア:

[(1, 28816920), (2, 14408460), (3, 9605640), (4, 7204230), (5, 5763384), (6, 4802820), (8, 3602115), (9, 3201880), (10, 2881692), (11, 2619720), (12, 2401410), (15, 1921128), (18, 1600940), (19, 1516680), (20, 1440846), (22, 1309860), (24, 1200705), (30, 960564), (33, 873240), (36, 800470), (38, 758340), (40, 720423), (44, 654930), (45, 640376), (55, 523944), (57, 505560), (60, 480282), (66, 436620), (72, 400235), (76, 379170), (88, 327465), (90, 320188), (95, 303336), (99, 291080), (110, 261972), (114, 252780), (120, 240141), (132, 218310), (152, 189585), (165, 174648), (171, 168520), (180, 160094), (190, 151668), (198, 145540), (209, 137880), (220, 130986), (228, 126390), (264, 109155), (285, 101112), (330, 87324), (342, 84260), (360, 80047), (380, 75834), (383, 75240), (396, 72770), (418, 68940), (440, 65493), (456, 63195), (495, 58216), (570, 50556), (627, 45960), (660, 43662), (684, 42130), (760, 37917), (766, 37620), (792, 36385), (836, 34470), (855, 33704), (990, 29108), (1045, 27576), (1140, 25278), (1149, 25080), (1254, 22980), (1320, 21831), (1368, 21065), (1532, 18810), (1672, 17235), (1710, 16852), (1881, 15320), (1915, 15048), (1980, 14554), (2090, 13788), (2280, 12639), (2298, 12540), (2508, 11490), (3064, 9405), (3135, 9192), (3420, 8426), (3447, 8360), (3762, 7660), (3830, 7524), (3960, 7277), (4180, 6894), (4213, 6840), (4596, 6270), (5016, 5745)]