87897420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 192

約数和(自身を含む): 310464000

約数和(自身を除く): 222566580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 342, 351, 380, 390, 468, 494, 513, 540, 570, 585, 659, 684, 702, 741, 780, 855, 988, 1026, 1140, 1170, 1235, 1318, 1404, 1482, 1710, 1755, 1977, 2052, 2223, 2340, 2470, 2565, 2636, 2964, 3295, 3420, 3510, 3705, 3954, 4446, 4940, 5130, 5931, 6590, 6669, 7020, 7410, 7908, 8567, 8892, 9885, 10260, 11115, 11862, 12521, 13180, 13338, 14820, 17134, 17793, 19770, 22230, 23724, 25042, 25701, 26676, 29655, 33345, 34268, 35586, 37563, 39540, 42835, 44460, 50084, 51402, 59310, 62605, 66690, 71172, 75126, 77103, 85670, 88965, 102804, 112689, 118620, 125210, 128505, 133380, 150252, 154206, 162773, 171340, 177930, 187815, 225378, 231309, 250420, 257010, 308412, 325546, 338067, 355860, 375630, 385515, 450756, 462618, 488319, 514020, 563445, 651092, 676134, 751260, 771030, 813865, 925236, 976638, 1126890, 1156545, 1352268, 1464957, 1542060, 1627730, 1690335, 1953276, 2253780, 2313090, 2441595, 2929914, 3255460, 3380670, 4394871, 4626180, 4883190, 5859828, 6761340, 7324785, 8789742, 9766380, 14649570, 17579484, 21974355, 29299140, 43948710, 87897420]

約数ペア:

[(1, 87897420), (2, 43948710), (3, 29299140), (4, 21974355), (5, 17579484), (6, 14649570), (9, 9766380), (10, 8789742), (12, 7324785), (13, 6761340), (15, 5859828), (18, 4883190), (19, 4626180), (20, 4394871), (26, 3380670), (27, 3255460), (30, 2929914), (36, 2441595), (38, 2313090), (39, 2253780), (45, 1953276), (52, 1690335), (54, 1627730), (57, 1542060), (60, 1464957), (65, 1352268), (76, 1156545), (78, 1126890), (90, 976638), (95, 925236), (108, 813865), (114, 771030), (117, 751260), (130, 676134), (135, 651092), (156, 563445), (171, 514020), (180, 488319), (190, 462618), (195, 450756), (228, 385515), (234, 375630), (247, 355860), (260, 338067), (270, 325546), (285, 308412), (342, 257010), (351, 250420), (380, 231309), (390, 225378), (468, 187815), (494, 177930), (513, 171340), (540, 162773), (570, 154206), (585, 150252), (659, 133380), (684, 128505), (702, 125210), (741, 118620), (780, 112689), (855, 102804), (988, 88965), (1026, 85670), (1140, 77103), (1170, 75126), (1235, 71172), (1318, 66690), (1404, 62605), (1482, 59310), (1710, 51402), (1755, 50084), (1977, 44460), (2052, 42835), (2223, 39540), (2340, 37563), (2470, 35586), (2565, 34268), (2636, 33345), (2964, 29655), (3295, 26676), (3420, 25701), (3510, 25042), (3705, 23724), (3954, 22230), (4446, 19770), (4940, 17793), (5130, 17134), (5931, 14820), (6590, 13338), (6669, 13180), (7020, 12521), (7410, 11862), (7908, 11115), (8567, 10260), (8892, 9885)]