28506960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 180

約数和(自身を含む): 102440988

約数和(自身を除く): 73934028

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 137, 144, 153, 170, 180, 204, 240, 255, 272, 274, 289, 306, 340, 360, 408, 411, 510, 548, 578, 612, 680, 685, 720, 765, 816, 822, 867, 1020, 1096, 1156, 1224, 1233, 1360, 1370, 1445, 1530, 1644, 1734, 2040, 2055, 2192, 2312, 2329, 2448, 2466, 2601, 2740, 2890, 3060, 3288, 3468, 4080, 4110, 4335, 4624, 4658, 4932, 5202, 5480, 5780, 6120, 6165, 6576, 6936, 6987, 8220, 8670, 9316, 9864, 10404, 10960, 11560, 11645, 12240, 12330, 13005, 13872, 13974, 16440, 17340, 18632, 19728, 20808, 20961, 23120, 23290, 24660, 26010, 27948, 32880, 34680, 34935, 37264, 39593, 41616, 41922, 46580, 49320, 52020, 55896, 69360, 69870, 79186, 83844, 93160, 98640, 104040, 104805, 111792, 118779, 139740, 158372, 167688, 186320, 197965, 208080, 209610, 237558, 279480, 316744, 335376, 356337, 395930, 419220, 475116, 558960, 593895, 633488, 712674, 791860, 838440, 950232, 1187790, 1425348, 1583720, 1676880, 1781685, 1900464, 2375580, 2850696, 3167440, 3563370, 4751160, 5701392, 7126740, 9502320, 14253480, 28506960]

約数ペア:

[(1, 28506960), (2, 14253480), (3, 9502320), (4, 7126740), (5, 5701392), (6, 4751160), (8, 3563370), (9, 3167440), (10, 2850696), (12, 2375580), (15, 1900464), (16, 1781685), (17, 1676880), (18, 1583720), (20, 1425348), (24, 1187790), (30, 950232), (34, 838440), (36, 791860), (40, 712674), (45, 633488), (48, 593895), (51, 558960), (60, 475116), (68, 419220), (72, 395930), (80, 356337), (85, 335376), (90, 316744), (102, 279480), (120, 237558), (136, 209610), (137, 208080), (144, 197965), (153, 186320), (170, 167688), (180, 158372), (204, 139740), (240, 118779), (255, 111792), (272, 104805), (274, 104040), (289, 98640), (306, 93160), (340, 83844), (360, 79186), (408, 69870), (411, 69360), (510, 55896), (548, 52020), (578, 49320), (612, 46580), (680, 41922), (685, 41616), (720, 39593), (765, 37264), (816, 34935), (822, 34680), (867, 32880), (1020, 27948), (1096, 26010), (1156, 24660), (1224, 23290), (1233, 23120), (1360, 20961), (1370, 20808), (1445, 19728), (1530, 18632), (1644, 17340), (1734, 16440), (2040, 13974), (2055, 13872), (2192, 13005), (2312, 12330), (2329, 12240), (2448, 11645), (2466, 11560), (2601, 10960), (2740, 10404), (2890, 9864), (3060, 9316), (3288, 8670), (3468, 8220), (4080, 6987), (4110, 6936), (4335, 6576), (4624, 6165), (4658, 6120), (4932, 5780), (5202, 5480)]