56802780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1028

約数の個数: 144

約数和(自身を含む): 192235680

約数和(自身を除く): 135432900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 977, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 1954, 2907, 2931, 3060, 3230, 3420, 3876, 3908, 4845, 4885, 5814, 5862, 6460, 8793, 9690, 9770, 11628, 11724, 14535, 14655, 16609, 17586, 18563, 19380, 19540, 29070, 29310, 33218, 35172, 37126, 43965, 49827, 55689, 58140, 58620, 66436, 74252, 83045, 87930, 92815, 99654, 111378, 149481, 166090, 167067, 175860, 185630, 199308, 222756, 249135, 278445, 298962, 315571, 332180, 334134, 371260, 498270, 556890, 597924, 631142, 668268, 747405, 835335, 946713, 996540, 1113780, 1262284, 1494810, 1577855, 1670670, 1893426, 2840139, 2989620, 3155710, 3341340, 3786852, 4733565, 5680278, 6311420, 9467130, 11360556, 14200695, 18934260, 28401390, 56802780]

約数ペア:

[(1, 56802780), (2, 28401390), (3, 18934260), (4, 14200695), (5, 11360556), (6, 9467130), (9, 6311420), (10, 5680278), (12, 4733565), (15, 3786852), (17, 3341340), (18, 3155710), (19, 2989620), (20, 2840139), (30, 1893426), (34, 1670670), (36, 1577855), (38, 1494810), (45, 1262284), (51, 1113780), (57, 996540), (60, 946713), (68, 835335), (76, 747405), (85, 668268), (90, 631142), (95, 597924), (102, 556890), (114, 498270), (153, 371260), (170, 334134), (171, 332180), (180, 315571), (190, 298962), (204, 278445), (228, 249135), (255, 222756), (285, 199308), (306, 185630), (323, 175860), (340, 167067), (342, 166090), (380, 149481), (510, 111378), (570, 99654), (612, 92815), (646, 87930), (684, 83045), (765, 74252), (855, 66436), (969, 58620), (977, 58140), (1020, 55689), (1140, 49827), (1292, 43965), (1530, 37126), (1615, 35172), (1710, 33218), (1938, 29310), (1954, 29070), (2907, 19540), (2931, 19380), (3060, 18563), (3230, 17586), (3420, 16609), (3876, 14655), (3908, 14535), (4845, 11724), (4885, 11628), (5814, 9770), (5862, 9690), (6460, 8793)]