123988140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40519}}^1$

素因数の和:40551

約数の個数: 72

約数和(自身を含む): 398230560

約数和(自身を除く): 274242420

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, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 40519, 81038, 121557, 162076, 202595, 243114, 364671, 405190, 486228, 607785, 688823, 729342, 810380, 1215570, 1377646, 1458684, 1823355, 2066469, 2431140, 2755292, 3444115, 3646710, 4132938, 6199407, 6888230, 7293420, 8265876, 10332345, 12398814, 13776460, 20664690, 24797628, 30997035, 41329380, 61994070, 123988140]

約数ペア:

[(1, 123988140), (2, 61994070), (3, 41329380), (4, 30997035), (5, 24797628), (6, 20664690), (9, 13776460), (10, 12398814), (12, 10332345), (15, 8265876), (17, 7293420), (18, 6888230), (20, 6199407), (30, 4132938), (34, 3646710), (36, 3444115), (45, 2755292), (51, 2431140), (60, 2066469), (68, 1823355), (85, 1458684), (90, 1377646), (102, 1215570), (153, 810380), (170, 729342), (180, 688823), (204, 607785), (255, 486228), (306, 405190), (340, 364671), (510, 243114), (612, 202595), (765, 162076), (1020, 121557), (1530, 81038), (3060, 40519)]