2789059140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{1571}}^1$

素因数の和:3002

約数の個数: 144

約数和(自身を含む): 9681759360

約数和(自身を除く): 6892700220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1409, 1571, 2818, 3142, 4227, 4713, 5636, 6284, 7045, 7855, 8454, 9426, 9863, 10997, 12681, 14090, 14139, 15710, 16908, 18852, 19726, 21135, 21994, 23565, 25362, 28180, 28278, 29589, 31420, 32991, 39452, 42270, 43988, 47130, 49315, 50724, 54985, 56556, 59178, 63405, 65982, 70695, 84540, 88767, 94260, 98630, 98973, 109970, 118356, 126810, 131964, 141390, 147945, 164955, 177534, 197260, 197946, 219940, 253620, 282780, 295890, 329910, 355068, 395892, 443835, 494865, 591780, 659820, 887670, 989730, 1775340, 1979460, 2213539, 4427078, 6640617, 8854156, 11067695, 13281234, 15494773, 19921851, 22135390, 26562468, 30989546, 33203085, 39843702, 44270780, 46484319, 61979092, 66406170, 77473865, 79687404, 92968638, 99609255, 132812340, 139452957, 154947730, 185937276, 199218510, 232421595, 278905914, 309895460, 398437020, 464843190, 557811828, 697264785, 929686380, 1394529570, 2789059140]

約数ペア:

[(1, 2789059140), (2, 1394529570), (3, 929686380), (4, 697264785), (5, 557811828), (6, 464843190), (7, 398437020), (9, 309895460), (10, 278905914), (12, 232421595), (14, 199218510), (15, 185937276), (18, 154947730), (20, 139452957), (21, 132812340), (28, 99609255), (30, 92968638), (35, 79687404), (36, 77473865), (42, 66406170), (45, 61979092), (60, 46484319), (63, 44270780), (70, 39843702), (84, 33203085), (90, 30989546), (105, 26562468), (126, 22135390), (140, 19921851), (180, 15494773), (210, 13281234), (252, 11067695), (315, 8854156), (420, 6640617), (630, 4427078), (1260, 2213539), (1409, 1979460), (1571, 1775340), (2818, 989730), (3142, 887670), (4227, 659820), (4713, 591780), (5636, 494865), (6284, 443835), (7045, 395892), (7855, 355068), (8454, 329910), (9426, 295890), (9863, 282780), (10997, 253620), (12681, 219940), (14090, 197946), (14139, 197260), (15710, 177534), (16908, 164955), (18852, 147945), (19726, 141390), (21135, 131964), (21994, 126810), (23565, 118356), (25362, 109970), (28180, 98973), (28278, 98630), (29589, 94260), (31420, 88767), (32991, 84540), (39452, 70695), (42270, 65982), (43988, 63405), (47130, 59178), (49315, 56556), (50724, 54985)]