280490040

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{9619}}^1$

素因数の和:9648

約数の個数: 112

約数和(自身を含む): 946319400

約数和(自身を除く): 665829360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2916, 3240, 3645, 4860, 5832, 7290, 9619, 9720, 14580, 19238, 28857, 29160, 38476, 48095, 57714, 76952, 86571, 96190, 115428, 144285, 173142, 192380, 230856, 259713, 288570, 346284, 384760, 432855, 519426, 577140, 692568, 779139, 865710, 1038852, 1154280, 1298565, 1558278, 1731420, 2077704, 2337417, 2597130, 3116556, 3462840, 3895695, 4674834, 5194260, 6233112, 7012251, 7791390, 9349668, 10388520, 11687085, 14024502, 15582780, 18699336, 23374170, 28049004, 31165560, 35061255, 46748340, 56098008, 70122510, 93496680, 140245020, 280490040]

約数ペア:

[(1, 280490040), (2, 140245020), (3, 93496680), (4, 70122510), (5, 56098008), (6, 46748340), (8, 35061255), (9, 31165560), (10, 28049004), (12, 23374170), (15, 18699336), (18, 15582780), (20, 14024502), (24, 11687085), (27, 10388520), (30, 9349668), (36, 7791390), (40, 7012251), (45, 6233112), (54, 5194260), (60, 4674834), (72, 3895695), (81, 3462840), (90, 3116556), (108, 2597130), (120, 2337417), (135, 2077704), (162, 1731420), (180, 1558278), (216, 1298565), (243, 1154280), (270, 1038852), (324, 865710), (360, 779139), (405, 692568), (486, 577140), (540, 519426), (648, 432855), (729, 384760), (810, 346284), (972, 288570), (1080, 259713), (1215, 230856), (1458, 192380), (1620, 173142), (1944, 144285), (2430, 115428), (2916, 96190), (3240, 86571), (3645, 76952), (4860, 57714), (5832, 48095), (7290, 38476), (9619, 29160), (9720, 28857), (14580, 19238)]