28459440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 180

約数和(自身を含む): 101091744

約数和(自身を除く): 72632304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 47, 48, 58, 60, 72, 80, 87, 90, 94, 116, 120, 141, 144, 145, 174, 180, 188, 232, 235, 240, 261, 282, 290, 348, 360, 376, 423, 435, 464, 470, 522, 564, 580, 696, 705, 720, 752, 841, 846, 870, 940, 1044, 1128, 1160, 1305, 1363, 1392, 1410, 1682, 1692, 1740, 1880, 2088, 2115, 2256, 2320, 2523, 2610, 2726, 2820, 3364, 3384, 3480, 3760, 4089, 4176, 4205, 4230, 5046, 5220, 5452, 5640, 6728, 6768, 6815, 6960, 7569, 8178, 8410, 8460, 10092, 10440, 10904, 11280, 12267, 12615, 13456, 13630, 15138, 16356, 16820, 16920, 20184, 20445, 20880, 21808, 24534, 25230, 27260, 30276, 32712, 33640, 33840, 37845, 39527, 40368, 40890, 49068, 50460, 54520, 60552, 61335, 65424, 67280, 75690, 79054, 81780, 98136, 100920, 109040, 118581, 121104, 122670, 151380, 158108, 163560, 196272, 197635, 201840, 237162, 245340, 302760, 316216, 327120, 355743, 395270, 474324, 490680, 592905, 605520, 632432, 711486, 790540, 948648, 981360, 1185810, 1422972, 1581080, 1778715, 1897296, 2371620, 2845944, 3162160, 3557430, 4743240, 5691888, 7114860, 9486480, 14229720, 28459440]

約数ペア:

[(1, 28459440), (2, 14229720), (3, 9486480), (4, 7114860), (5, 5691888), (6, 4743240), (8, 3557430), (9, 3162160), (10, 2845944), (12, 2371620), (15, 1897296), (16, 1778715), (18, 1581080), (20, 1422972), (24, 1185810), (29, 981360), (30, 948648), (36, 790540), (40, 711486), (45, 632432), (47, 605520), (48, 592905), (58, 490680), (60, 474324), (72, 395270), (80, 355743), (87, 327120), (90, 316216), (94, 302760), (116, 245340), (120, 237162), (141, 201840), (144, 197635), (145, 196272), (174, 163560), (180, 158108), (188, 151380), (232, 122670), (235, 121104), (240, 118581), (261, 109040), (282, 100920), (290, 98136), (348, 81780), (360, 79054), (376, 75690), (423, 67280), (435, 65424), (464, 61335), (470, 60552), (522, 54520), (564, 50460), (580, 49068), (696, 40890), (705, 40368), (720, 39527), (752, 37845), (841, 33840), (846, 33640), (870, 32712), (940, 30276), (1044, 27260), (1128, 25230), (1160, 24534), (1305, 21808), (1363, 20880), (1392, 20445), (1410, 20184), (1682, 16920), (1692, 16820), (1740, 16356), (1880, 15138), (2088, 13630), (2115, 13456), (2256, 12615), (2320, 12267), (2523, 11280), (2610, 10904), (2726, 10440), (2820, 10092), (3364, 8460), (3384, 8410), (3480, 8178), (3760, 7569), (4089, 6960), (4176, 6815), (4205, 6768), (4230, 6728), (5046, 5640), (5220, 5452)]