81477630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 237081600

約数和(自身を除く): 155603970

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 139, 167, 195, 234, 270, 278, 334, 351, 390, 417, 501, 585, 695, 702, 834, 835, 1002, 1170, 1251, 1390, 1503, 1670, 1755, 1807, 2085, 2171, 2502, 2505, 3006, 3510, 3614, 3753, 4170, 4342, 4509, 5010, 5421, 6255, 6513, 7506, 7515, 9018, 9035, 10842, 10855, 12510, 13026, 15030, 16263, 18070, 18765, 19539, 21710, 22545, 23213, 27105, 32526, 32565, 37530, 39078, 45090, 46426, 48789, 54210, 58617, 65130, 69639, 81315, 97578, 97695, 116065, 117234, 139278, 162630, 195390, 208917, 232130, 243945, 293085, 301769, 348195, 417834, 487890, 586170, 603538, 626751, 696390, 905307, 1044585, 1253502, 1508845, 1810614, 2089170, 2715921, 3017690, 3133755, 4526535, 5431842, 6267510, 8147763, 9053070, 13579605, 16295526, 27159210, 40738815, 81477630]

約数ペア:

[(1, 81477630), (2, 40738815), (3, 27159210), (5, 16295526), (6, 13579605), (9, 9053070), (10, 8147763), (13, 6267510), (15, 5431842), (18, 4526535), (26, 3133755), (27, 3017690), (30, 2715921), (39, 2089170), (45, 1810614), (54, 1508845), (65, 1253502), (78, 1044585), (90, 905307), (117, 696390), (130, 626751), (135, 603538), (139, 586170), (167, 487890), (195, 417834), (234, 348195), (270, 301769), (278, 293085), (334, 243945), (351, 232130), (390, 208917), (417, 195390), (501, 162630), (585, 139278), (695, 117234), (702, 116065), (834, 97695), (835, 97578), (1002, 81315), (1170, 69639), (1251, 65130), (1390, 58617), (1503, 54210), (1670, 48789), (1755, 46426), (1807, 45090), (2085, 39078), (2171, 37530), (2502, 32565), (2505, 32526), (3006, 27105), (3510, 23213), (3614, 22545), (3753, 21710), (4170, 19539), (4342, 18765), (4509, 18070), (5010, 16263), (5421, 15030), (6255, 13026), (6513, 12510), (7506, 10855), (7515, 10842), (9018, 9035)]