208915380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1$

素因数の和:1118

約数の個数: 144

約数和(自身を含む): 681670080

約数和(自身を除く): 472754700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 67, 68, 85, 90, 102, 134, 153, 170, 180, 201, 204, 255, 268, 306, 335, 340, 402, 510, 603, 612, 670, 765, 804, 1005, 1019, 1020, 1139, 1206, 1340, 1530, 2010, 2038, 2278, 2412, 3015, 3057, 3060, 3417, 4020, 4076, 4556, 5095, 5695, 6030, 6114, 6834, 9171, 10190, 10251, 11390, 12060, 12228, 13668, 15285, 17085, 17323, 18342, 20380, 20502, 22780, 30570, 34170, 34646, 36684, 41004, 45855, 51255, 51969, 61140, 68273, 68340, 69292, 86615, 91710, 102510, 103938, 136546, 155907, 173230, 183420, 204819, 205020, 207876, 259845, 273092, 311814, 341365, 346460, 409638, 519690, 614457, 623628, 682730, 779535, 819276, 1024095, 1039380, 1160641, 1228914, 1365460, 1559070, 2048190, 2321282, 2457828, 3072285, 3118140, 3481923, 4096380, 4642564, 5803205, 6144570, 6963846, 10445769, 11606410, 12289140, 13927692, 17409615, 20891538, 23212820, 34819230, 41783076, 52228845, 69638460, 104457690, 208915380]

約数ペア:

[(1, 208915380), (2, 104457690), (3, 69638460), (4, 52228845), (5, 41783076), (6, 34819230), (9, 23212820), (10, 20891538), (12, 17409615), (15, 13927692), (17, 12289140), (18, 11606410), (20, 10445769), (30, 6963846), (34, 6144570), (36, 5803205), (45, 4642564), (51, 4096380), (60, 3481923), (67, 3118140), (68, 3072285), (85, 2457828), (90, 2321282), (102, 2048190), (134, 1559070), (153, 1365460), (170, 1228914), (180, 1160641), (201, 1039380), (204, 1024095), (255, 819276), (268, 779535), (306, 682730), (335, 623628), (340, 614457), (402, 519690), (510, 409638), (603, 346460), (612, 341365), (670, 311814), (765, 273092), (804, 259845), (1005, 207876), (1019, 205020), (1020, 204819), (1139, 183420), (1206, 173230), (1340, 155907), (1530, 136546), (2010, 103938), (2038, 102510), (2278, 91710), (2412, 86615), (3015, 69292), (3057, 68340), (3060, 68273), (3417, 61140), (4020, 51969), (4076, 51255), (4556, 45855), (5095, 41004), (5695, 36684), (6030, 34646), (6114, 34170), (6834, 30570), (9171, 22780), (10190, 20502), (10251, 20380), (11390, 18342), (12060, 17323), (12228, 17085), (13668, 15285)]