156244340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 407554560

約数和(自身を除く): 251310220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 49, 62, 70, 74, 98, 124, 139, 140, 148, 155, 185, 196, 217, 245, 259, 278, 310, 370, 434, 490, 518, 556, 620, 695, 740, 868, 973, 980, 1036, 1085, 1147, 1295, 1390, 1519, 1813, 1946, 2170, 2294, 2590, 2780, 3038, 3626, 3892, 4309, 4340, 4588, 4865, 5143, 5180, 5735, 6076, 6811, 7252, 7595, 8029, 8618, 9065, 9730, 10286, 11470, 13622, 15190, 16058, 17236, 18130, 19460, 20572, 21545, 22940, 25715, 27244, 30163, 30380, 32116, 34055, 36001, 36260, 40145, 43090, 51430, 56203, 60326, 68110, 72002, 80290, 86180, 102860, 112406, 120652, 136220, 144004, 150815, 159433, 160580, 180005, 211141, 224812, 252007, 281015, 301630, 318866, 360010, 422282, 504014, 562030, 603260, 637732, 720020, 797165, 844564, 1008028, 1055705, 1116031, 1124060, 1260035, 1594330, 2111410, 2232062, 2520070, 3188660, 4222820, 4464124, 5040140, 5580155, 7812217, 11160310, 15624434, 22320620, 31248868, 39061085, 78122170, 156244340]

約数ペア:

[(1, 156244340), (2, 78122170), (4, 39061085), (5, 31248868), (7, 22320620), (10, 15624434), (14, 11160310), (20, 7812217), (28, 5580155), (31, 5040140), (35, 4464124), (37, 4222820), (49, 3188660), (62, 2520070), (70, 2232062), (74, 2111410), (98, 1594330), (124, 1260035), (139, 1124060), (140, 1116031), (148, 1055705), (155, 1008028), (185, 844564), (196, 797165), (217, 720020), (245, 637732), (259, 603260), (278, 562030), (310, 504014), (370, 422282), (434, 360010), (490, 318866), (518, 301630), (556, 281015), (620, 252007), (695, 224812), (740, 211141), (868, 180005), (973, 160580), (980, 159433), (1036, 150815), (1085, 144004), (1147, 136220), (1295, 120652), (1390, 112406), (1519, 102860), (1813, 86180), (1946, 80290), (2170, 72002), (2294, 68110), (2590, 60326), (2780, 56203), (3038, 51430), (3626, 43090), (3892, 40145), (4309, 36260), (4340, 36001), (4588, 34055), (4865, 32116), (5143, 30380), (5180, 30163), (5735, 27244), (6076, 25715), (6811, 22940), (7252, 21545), (7595, 20572), (8029, 19460), (8618, 18130), (9065, 17236), (9730, 16058), (10286, 15190), (11470, 13622)]