68991780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 288

約数和(自身を含む): 247750272

約数和(自身を除く): 178758492

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 17, 20, 22, 26, 30, 33, 34, 39, 43, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 86, 102, 110, 121, 129, 130, 132, 143, 156, 165, 170, 172, 187, 195, 204, 215, 220, 221, 242, 255, 258, 260, 286, 330, 340, 363, 374, 390, 429, 430, 442, 473, 484, 510, 516, 559, 561, 572, 605, 645, 660, 663, 715, 726, 731, 748, 780, 858, 860, 884, 935, 946, 1020, 1105, 1118, 1122, 1210, 1290, 1326, 1419, 1430, 1452, 1462, 1573, 1677, 1716, 1815, 1870, 1892, 2057, 2145, 2193, 2210, 2236, 2244, 2365, 2420, 2431, 2580, 2652, 2795, 2805, 2838, 2860, 2924, 3146, 3315, 3354, 3630, 3655, 3740, 4114, 4290, 4386, 4420, 4719, 4730, 4862, 5203, 5590, 5610, 5676, 6149, 6171, 6292, 6630, 6708, 7095, 7260, 7293, 7310, 7865, 8041, 8228, 8385, 8580, 8772, 9438, 9460, 9503, 9724, 10285, 10406, 10965, 11180, 11220, 12155, 12298, 12342, 13260, 14190, 14586, 14620, 15609, 15730, 16082, 16770, 18447, 18876, 19006, 20570, 20812, 21930, 23595, 24123, 24310, 24596, 24684, 26015, 26741, 28380, 28509, 29172, 30745, 30855, 31218, 31460, 32164, 33540, 36465, 36894, 38012, 40205, 41140, 43860, 47190, 47515, 48246, 48620, 52030, 53482, 57018, 61490, 61710, 62436, 67639, 72930, 73788, 78045, 80223, 80410, 88451, 92235, 94380, 95030, 96492, 104060, 104533, 106964, 114036, 120615, 122980, 123420, 133705, 135278, 142545, 145860, 156090, 160446, 160820, 176902, 184470, 190060, 202917, 209066, 241230, 265353, 267410, 270556, 285090, 312180, 313599, 320892, 338195, 353804, 368940, 401115, 405834, 418132, 442255, 482460, 522665, 530706, 534820, 570180, 627198, 676390, 802230, 811668, 884510, 1014585, 1045330, 1061412, 1149863, 1254396, 1326765, 1352780, 1567995, 1604460, 1769020, 2029170, 2090660, 2299726, 2653530, 3135990, 3449589, 4058340, 4599452, 5307060, 5749315, 6271980, 6899178, 11498630, 13798356, 17247945, 22997260, 34495890, 68991780]

約数ペア:

[(1, 68991780), (2, 34495890), (3, 22997260), (4, 17247945), (5, 13798356), (6, 11498630), (10, 6899178), (11, 6271980), (12, 5749315), (13, 5307060), (15, 4599452), (17, 4058340), (20, 3449589), (22, 3135990), (26, 2653530), (30, 2299726), (33, 2090660), (34, 2029170), (39, 1769020), (43, 1604460), (44, 1567995), (51, 1352780), (52, 1326765), (55, 1254396), (60, 1149863), (65, 1061412), (66, 1045330), (68, 1014585), (78, 884510), (85, 811668), (86, 802230), (102, 676390), (110, 627198), (121, 570180), (129, 534820), (130, 530706), (132, 522665), (143, 482460), (156, 442255), (165, 418132), (170, 405834), (172, 401115), (187, 368940), (195, 353804), (204, 338195), (215, 320892), (220, 313599), (221, 312180), (242, 285090), (255, 270556), (258, 267410), (260, 265353), (286, 241230), (330, 209066), (340, 202917), (363, 190060), (374, 184470), (390, 176902), (429, 160820), (430, 160446), (442, 156090), (473, 145860), (484, 142545), (510, 135278), (516, 133705), (559, 123420), (561, 122980), (572, 120615), (605, 114036), (645, 106964), (660, 104533), (663, 104060), (715, 96492), (726, 95030), (731, 94380), (748, 92235), (780, 88451), (858, 80410), (860, 80223), (884, 78045), (935, 73788), (946, 72930), (1020, 67639), (1105, 62436), (1118, 61710), (1122, 61490), (1210, 57018), (1290, 53482), (1326, 52030), (1419, 48620), (1430, 48246), (1452, 47515), (1462, 47190), (1573, 43860), (1677, 41140), (1716, 40205), (1815, 38012), (1870, 36894), (1892, 36465), (2057, 33540), (2145, 32164), (2193, 31460), (2210, 31218), (2236, 30855), (2244, 30745), (2365, 29172), (2420, 28509), (2431, 28380), (2580, 26741), (2652, 26015), (2795, 24684), (2805, 24596), (2838, 24310), (2860, 24123), (2924, 23595), (3146, 21930), (3315, 20812), (3354, 20570), (3630, 19006), (3655, 18876), (3740, 18447), (4114, 16770), (4290, 16082), (4386, 15730), (4420, 15609), (4719, 14620), (4730, 14586), (4862, 14190), (5203, 13260), (5590, 12342), (5610, 12298), (5676, 12155), (6149, 11220), (6171, 11180), (6292, 10965), (6630, 10406), (6708, 10285), (7095, 9724), (7260, 9503), (7293, 9460), (7310, 9438), (7865, 8772), (8041, 8580), (8228, 8385)]