72409740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 226644768

約数和(自身を除く): 154235028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 169, 185, 193, 195, 222, 260, 338, 370, 386, 390, 444, 481, 507, 555, 579, 676, 740, 772, 780, 845, 962, 965, 1014, 1110, 1158, 1443, 1690, 1924, 1930, 2028, 2220, 2316, 2405, 2509, 2535, 2886, 2895, 3380, 3860, 4810, 5018, 5070, 5772, 5790, 6253, 7141, 7215, 7527, 9620, 10036, 10140, 11580, 12506, 12545, 14282, 14430, 15054, 18759, 21423, 25012, 25090, 28564, 28860, 30108, 31265, 32617, 35705, 37518, 37635, 42846, 50180, 62530, 65234, 71410, 75036, 75270, 85692, 92833, 93795, 97851, 107115, 125060, 130468, 142820, 150540, 163085, 185666, 187590, 195702, 214230, 278499, 326170, 371332, 375180, 391404, 428460, 464165, 489255, 556998, 652340, 928330, 978510, 1113996, 1206829, 1392495, 1856660, 1957020, 2413658, 2784990, 3620487, 4827316, 5569980, 6034145, 7240974, 12068290, 14481948, 18102435, 24136580, 36204870, 72409740]

約数ペア:

[(1, 72409740), (2, 36204870), (3, 24136580), (4, 18102435), (5, 14481948), (6, 12068290), (10, 7240974), (12, 6034145), (13, 5569980), (15, 4827316), (20, 3620487), (26, 2784990), (30, 2413658), (37, 1957020), (39, 1856660), (52, 1392495), (60, 1206829), (65, 1113996), (74, 978510), (78, 928330), (111, 652340), (130, 556998), (148, 489255), (156, 464165), (169, 428460), (185, 391404), (193, 375180), (195, 371332), (222, 326170), (260, 278499), (338, 214230), (370, 195702), (386, 187590), (390, 185666), (444, 163085), (481, 150540), (507, 142820), (555, 130468), (579, 125060), (676, 107115), (740, 97851), (772, 93795), (780, 92833), (845, 85692), (962, 75270), (965, 75036), (1014, 71410), (1110, 65234), (1158, 62530), (1443, 50180), (1690, 42846), (1924, 37635), (1930, 37518), (2028, 35705), (2220, 32617), (2316, 31265), (2405, 30108), (2509, 28860), (2535, 28564), (2886, 25090), (2895, 25012), (3380, 21423), (3860, 18759), (4810, 15054), (5018, 14430), (5070, 14282), (5772, 12545), (5790, 12506), (6253, 11580), (7141, 10140), (7215, 10036), (7527, 9620)]