77720100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 237651456

約数和(自身を除く): 159931356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 61, 62, 75, 93, 100, 122, 124, 137, 150, 155, 183, 186, 244, 274, 300, 305, 310, 366, 372, 411, 465, 548, 610, 620, 685, 732, 775, 822, 915, 930, 1220, 1370, 1525, 1550, 1644, 1830, 1860, 1891, 2055, 2325, 2740, 3050, 3100, 3425, 3660, 3782, 4110, 4247, 4575, 4650, 5673, 6100, 6850, 7564, 8220, 8357, 8494, 9150, 9300, 9455, 10275, 11346, 12741, 13700, 16714, 16988, 18300, 18910, 20550, 21235, 22692, 25071, 25482, 28365, 33428, 37820, 41100, 41785, 42470, 47275, 50142, 50964, 56730, 63705, 83570, 84940, 94550, 100284, 106175, 113460, 125355, 127410, 141825, 167140, 189100, 208925, 212350, 250710, 254820, 259067, 283650, 318525, 417850, 424700, 501420, 518134, 567300, 626775, 637050, 777201, 835700, 1036268, 1253550, 1274100, 1295335, 1554402, 2507100, 2590670, 3108804, 3886005, 5181340, 6476675, 7772010, 12953350, 15544020, 19430025, 25906700, 38860050, 77720100]

約数ペア:

[(1, 77720100), (2, 38860050), (3, 25906700), (4, 19430025), (5, 15544020), (6, 12953350), (10, 7772010), (12, 6476675), (15, 5181340), (20, 3886005), (25, 3108804), (30, 2590670), (31, 2507100), (50, 1554402), (60, 1295335), (61, 1274100), (62, 1253550), (75, 1036268), (93, 835700), (100, 777201), (122, 637050), (124, 626775), (137, 567300), (150, 518134), (155, 501420), (183, 424700), (186, 417850), (244, 318525), (274, 283650), (300, 259067), (305, 254820), (310, 250710), (366, 212350), (372, 208925), (411, 189100), (465, 167140), (548, 141825), (610, 127410), (620, 125355), (685, 113460), (732, 106175), (775, 100284), (822, 94550), (915, 84940), (930, 83570), (1220, 63705), (1370, 56730), (1525, 50964), (1550, 50142), (1644, 47275), (1830, 42470), (1860, 41785), (1891, 41100), (2055, 37820), (2325, 33428), (2740, 28365), (3050, 25482), (3100, 25071), (3425, 22692), (3660, 21235), (3782, 20550), (4110, 18910), (4247, 18300), (4575, 16988), (4650, 16714), (5673, 13700), (6100, 12741), (6850, 11346), (7564, 10275), (8220, 9455), (8357, 9300), (8494, 9150)]