31215450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 93636864

約数和(自身を除く): 62421414

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 49, 50, 62, 70, 75, 93, 98, 105, 137, 147, 150, 155, 175, 186, 210, 217, 245, 274, 294, 310, 350, 411, 434, 465, 490, 525, 651, 685, 735, 775, 822, 930, 959, 1050, 1085, 1225, 1302, 1370, 1470, 1519, 1550, 1918, 2055, 2170, 2325, 2450, 2877, 3038, 3255, 3425, 3675, 4110, 4247, 4557, 4650, 4795, 5425, 5754, 6510, 6713, 6850, 7350, 7595, 8494, 9114, 9590, 10275, 10850, 12741, 13426, 14385, 15190, 16275, 20139, 20550, 21235, 22785, 23975, 25482, 28770, 29729, 32550, 33565, 37975, 40278, 42470, 45570, 47950, 59458, 63705, 67130, 71925, 75950, 89187, 100695, 106175, 113925, 127410, 143850, 148645, 167825, 178374, 201390, 208103, 212350, 227850, 297290, 318525, 335650, 416206, 445935, 503475, 624309, 637050, 743225, 891870, 1006950, 1040515, 1248618, 1486450, 2081030, 2229675, 3121545, 4459350, 5202575, 6243090, 10405150, 15607725, 31215450]

約数ペア:

[(1, 31215450), (2, 15607725), (3, 10405150), (5, 6243090), (6, 5202575), (7, 4459350), (10, 3121545), (14, 2229675), (15, 2081030), (21, 1486450), (25, 1248618), (30, 1040515), (31, 1006950), (35, 891870), (42, 743225), (49, 637050), (50, 624309), (62, 503475), (70, 445935), (75, 416206), (93, 335650), (98, 318525), (105, 297290), (137, 227850), (147, 212350), (150, 208103), (155, 201390), (175, 178374), (186, 167825), (210, 148645), (217, 143850), (245, 127410), (274, 113925), (294, 106175), (310, 100695), (350, 89187), (411, 75950), (434, 71925), (465, 67130), (490, 63705), (525, 59458), (651, 47950), (685, 45570), (735, 42470), (775, 40278), (822, 37975), (930, 33565), (959, 32550), (1050, 29729), (1085, 28770), (1225, 25482), (1302, 23975), (1370, 22785), (1470, 21235), (1519, 20550), (1550, 20139), (1918, 16275), (2055, 15190), (2170, 14385), (2325, 13426), (2450, 12741), (2877, 10850), (3038, 10275), (3255, 9590), (3425, 9114), (3675, 8494), (4110, 7595), (4247, 7350), (4557, 6850), (4650, 6713), (4795, 6510), (5425, 5754)]