19784811720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{122219}}^1$

素因数の和:122323

約数の個数: 128

約数和(自身を含む): 63358848000

約数和(自身を除く): 43574036280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 456, 568, 570, 710, 760, 852, 1065, 1140, 1349, 1420, 1704, 2130, 2280, 2698, 2840, 4047, 4260, 5396, 6745, 8094, 8520, 10792, 13490, 16188, 20235, 26980, 32376, 40470, 53960, 80940, 122219, 161880, 244438, 366657, 488876, 611095, 733314, 977752, 1222190, 1466628, 1833285, 2322161, 2444380, 2933256, 3666570, 4644322, 4888760, 6966483, 7333140, 8677549, 9288644, 11610805, 13932966, 14666280, 17355098, 18577288, 23221610, 26032647, 27865932, 34710196, 34832415, 43387745, 46443220, 52065294, 55731864, 69420392, 69664830, 86775490, 92886440, 104130588, 130163235, 139329660, 164873431, 173550980, 208261176, 260326470, 278659320, 329746862, 347101960, 494620293, 520652940, 659493724, 824367155, 989240586, 1041305880, 1318987448, 1648734310, 1978481172, 2473101465, 3297468620, 3956962344, 4946202930, 6594937240, 9892405860, 19784811720]

約数ペア:

[(1, 19784811720), (2, 9892405860), (3, 6594937240), (4, 4946202930), (5, 3956962344), (6, 3297468620), (8, 2473101465), (10, 1978481172), (12, 1648734310), (15, 1318987448), (19, 1041305880), (20, 989240586), (24, 824367155), (30, 659493724), (38, 520652940), (40, 494620293), (57, 347101960), (60, 329746862), (71, 278659320), (76, 260326470), (95, 208261176), (114, 173550980), (120, 164873431), (142, 139329660), (152, 130163235), (190, 104130588), (213, 92886440), (228, 86775490), (284, 69664830), (285, 69420392), (355, 55731864), (380, 52065294), (426, 46443220), (456, 43387745), (568, 34832415), (570, 34710196), (710, 27865932), (760, 26032647), (852, 23221610), (1065, 18577288), (1140, 17355098), (1349, 14666280), (1420, 13932966), (1704, 11610805), (2130, 9288644), (2280, 8677549), (2698, 7333140), (2840, 6966483), (4047, 4888760), (4260, 4644322), (5396, 3666570), (6745, 2933256), (8094, 2444380), (8520, 2322161), (10792, 1833285), (13490, 1466628), (16188, 1222190), (20235, 977752), (26980, 733314), (32376, 611095), (40470, 488876), (53960, 366657), (80940, 244438), (122219, 161880)]