1251720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 128

約数和(自身を含む): 4464000

約数和(自身を除く): 3212280

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, 61, 72, 76, 90, 95, 108, 114, 120, 122, 135, 152, 171, 180, 183, 190, 216, 228, 244, 270, 285, 305, 342, 360, 366, 380, 456, 488, 513, 540, 549, 570, 610, 684, 732, 760, 855, 915, 1026, 1080, 1098, 1140, 1159, 1220, 1368, 1464, 1647, 1710, 1830, 2052, 2196, 2280, 2318, 2440, 2565, 2745, 3294, 3420, 3477, 3660, 4104, 4392, 4636, 5130, 5490, 5795, 6588, 6840, 6954, 7320, 8235, 9272, 10260, 10431, 10980, 11590, 13176, 13908, 16470, 17385, 20520, 20862, 21960, 23180, 27816, 31293, 32940, 34770, 41724, 46360, 52155, 62586, 65880, 69540, 83448, 104310, 125172, 139080, 156465, 208620, 250344, 312930, 417240, 625860, 1251720]

約数ペア:

[(1, 1251720), (2, 625860), (3, 417240), (4, 312930), (5, 250344), (6, 208620), (8, 156465), (9, 139080), (10, 125172), (12, 104310), (15, 83448), (18, 69540), (19, 65880), (20, 62586), (24, 52155), (27, 46360), (30, 41724), (36, 34770), (38, 32940), (40, 31293), (45, 27816), (54, 23180), (57, 21960), (60, 20862), (61, 20520), (72, 17385), (76, 16470), (90, 13908), (95, 13176), (108, 11590), (114, 10980), (120, 10431), (122, 10260), (135, 9272), (152, 8235), (171, 7320), (180, 6954), (183, 6840), (190, 6588), (216, 5795), (228, 5490), (244, 5130), (270, 4636), (285, 4392), (305, 4104), (342, 3660), (360, 3477), (366, 3420), (380, 3294), (456, 2745), (488, 2565), (513, 2440), (540, 2318), (549, 2280), (570, 2196), (610, 2052), (684, 1830), (732, 1710), (760, 1647), (855, 1464), (915, 1368), (1026, 1220), (1080, 1159), (1098, 1140)]