138841380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 450318960

約数和(自身を除く): 311477580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 157, 170, 180, 204, 255, 289, 306, 314, 340, 471, 510, 578, 612, 628, 765, 785, 867, 942, 1020, 1156, 1413, 1445, 1530, 1570, 1734, 1884, 2355, 2601, 2669, 2826, 2890, 3060, 3140, 3468, 4335, 4710, 4913, 5202, 5338, 5652, 5780, 7065, 8007, 8670, 9420, 9826, 10404, 10676, 13005, 13345, 14130, 14739, 16014, 17340, 19652, 24021, 24565, 26010, 26690, 28260, 29478, 32028, 40035, 44217, 45373, 48042, 49130, 52020, 53380, 58956, 73695, 80070, 88434, 90746, 96084, 98260, 120105, 136119, 147390, 160140, 176868, 181492, 221085, 226865, 240210, 272238, 294780, 408357, 442170, 453730, 480420, 544476, 680595, 771341, 816714, 884340, 907460, 1361190, 1542682, 1633428, 2041785, 2314023, 2722380, 3085364, 3856705, 4083570, 4628046, 6942069, 7713410, 8167140, 9256092, 11570115, 13884138, 15426820, 23140230, 27768276, 34710345, 46280460, 69420690, 138841380]

約数ペア:

[(1, 138841380), (2, 69420690), (3, 46280460), (4, 34710345), (5, 27768276), (6, 23140230), (9, 15426820), (10, 13884138), (12, 11570115), (15, 9256092), (17, 8167140), (18, 7713410), (20, 6942069), (30, 4628046), (34, 4083570), (36, 3856705), (45, 3085364), (51, 2722380), (60, 2314023), (68, 2041785), (85, 1633428), (90, 1542682), (102, 1361190), (153, 907460), (157, 884340), (170, 816714), (180, 771341), (204, 680595), (255, 544476), (289, 480420), (306, 453730), (314, 442170), (340, 408357), (471, 294780), (510, 272238), (578, 240210), (612, 226865), (628, 221085), (765, 181492), (785, 176868), (867, 160140), (942, 147390), (1020, 136119), (1156, 120105), (1413, 98260), (1445, 96084), (1530, 90746), (1570, 88434), (1734, 80070), (1884, 73695), (2355, 58956), (2601, 53380), (2669, 52020), (2826, 49130), (2890, 48042), (3060, 45373), (3140, 44217), (3468, 40035), (4335, 32028), (4710, 29478), (4913, 28260), (5202, 26690), (5338, 26010), (5652, 24565), (5780, 24021), (7065, 19652), (8007, 17340), (8670, 16014), (9420, 14739), (9826, 14130), (10404, 13345), (10676, 13005)]