87435720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4261}}^1$

素因数の和:4300

約数の個数: 128

約数和(自身を含む): 306864000

約数和(自身を除く): 219428280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 4261, 5130, 6840, 8522, 10260, 12783, 17044, 20520, 21305, 25566, 34088, 38349, 42610, 51132, 63915, 76698, 80959, 85220, 102264, 115047, 127830, 153396, 161918, 170440, 191745, 230094, 242877, 255660, 306792, 323836, 383490, 404795, 460188, 485754, 511320, 575235, 647672, 728631, 766980, 809590, 920376, 971508, 1150470, 1214385, 1457262, 1533960, 1619180, 1943016, 2185893, 2300940, 2428770, 2914524, 3238360, 3643155, 4371786, 4601880, 4857540, 5829048, 7286310, 8743572, 9715080, 10929465, 14572620, 17487144, 21858930, 29145240, 43717860, 87435720]

約数ペア:

[(1, 87435720), (2, 43717860), (3, 29145240), (4, 21858930), (5, 17487144), (6, 14572620), (8, 10929465), (9, 9715080), (10, 8743572), (12, 7286310), (15, 5829048), (18, 4857540), (19, 4601880), (20, 4371786), (24, 3643155), (27, 3238360), (30, 2914524), (36, 2428770), (38, 2300940), (40, 2185893), (45, 1943016), (54, 1619180), (57, 1533960), (60, 1457262), (72, 1214385), (76, 1150470), (90, 971508), (95, 920376), (108, 809590), (114, 766980), (120, 728631), (135, 647672), (152, 575235), (171, 511320), (180, 485754), (190, 460188), (216, 404795), (228, 383490), (270, 323836), (285, 306792), (342, 255660), (360, 242877), (380, 230094), (456, 191745), (513, 170440), (540, 161918), (570, 153396), (684, 127830), (760, 115047), (855, 102264), (1026, 85220), (1080, 80959), (1140, 76698), (1368, 63915), (1710, 51132), (2052, 42610), (2280, 38349), (2565, 34088), (3420, 25566), (4104, 21305), (4261, 20520), (5130, 17044), (6840, 12783), (8522, 10260)]