158221980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17939}}^1$

素因数の和:17968

約数の個数: 108

約数和(自身を含む): 558328680

約数和(自身を除く): 400106700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 17939, 35878, 53817, 71756, 89695, 107634, 125573, 161451, 179390, 215268, 251146, 269085, 322902, 358780, 376719, 502292, 538170, 627865, 645804, 753438, 807255, 879011, 1076340, 1130157, 1255730, 1506876, 1614510, 1758022, 1883595, 2260314, 2511460, 2637033, 3229020, 3516044, 3767190, 4395055, 4520628, 5274066, 5650785, 7534380, 7911099, 8790110, 10548132, 11301570, 13185165, 15822198, 17580220, 22603140, 26370330, 31644396, 39555495, 52740660, 79110990, 158221980]

約数ペア:

[(1, 158221980), (2, 79110990), (3, 52740660), (4, 39555495), (5, 31644396), (6, 26370330), (7, 22603140), (9, 17580220), (10, 15822198), (12, 13185165), (14, 11301570), (15, 10548132), (18, 8790110), (20, 7911099), (21, 7534380), (28, 5650785), (30, 5274066), (35, 4520628), (36, 4395055), (42, 3767190), (45, 3516044), (49, 3229020), (60, 2637033), (63, 2511460), (70, 2260314), (84, 1883595), (90, 1758022), (98, 1614510), (105, 1506876), (126, 1255730), (140, 1130157), (147, 1076340), (180, 879011), (196, 807255), (210, 753438), (245, 645804), (252, 627865), (294, 538170), (315, 502292), (420, 376719), (441, 358780), (490, 322902), (588, 269085), (630, 251146), (735, 215268), (882, 179390), (980, 161451), (1260, 125573), (1470, 107634), (1764, 89695), (2205, 71756), (2940, 53817), (4410, 35878), (8820, 17939)]