1215740080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{21617}}^1$

素因数の和:21686

約数の個数: 80

約数和(自身を含む): 3055920480

約数和(自身を除く): 1840180400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2812, 2960, 3515, 5624, 7030, 11248, 14060, 21617, 28120, 43234, 56240, 86468, 108085, 172936, 216170, 345872, 410723, 432340, 799829, 821446, 864680, 1599658, 1642892, 1729360, 2053615, 3199316, 3285784, 3999145, 4107230, 6398632, 6571568, 7998290, 8214460, 12797264, 15196751, 15996580, 16428920, 30393502, 31993160, 32857840, 60787004, 63986320, 75983755, 121574008, 151967510, 243148016, 303935020, 607870040, 1215740080]

約数ペア:

[(1, 1215740080), (2, 607870040), (4, 303935020), (5, 243148016), (8, 151967510), (10, 121574008), (16, 75983755), (19, 63986320), (20, 60787004), (37, 32857840), (38, 31993160), (40, 30393502), (74, 16428920), (76, 15996580), (80, 15196751), (95, 12797264), (148, 8214460), (152, 7998290), (185, 6571568), (190, 6398632), (296, 4107230), (304, 3999145), (370, 3285784), (380, 3199316), (592, 2053615), (703, 1729360), (740, 1642892), (760, 1599658), (1406, 864680), (1480, 821446), (1520, 799829), (2812, 432340), (2960, 410723), (3515, 345872), (5624, 216170), (7030, 172936), (11248, 108085), (14060, 86468), (21617, 56240), (28120, 43234)]