221107560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2621}}^1$

素因数の和:2691

約数の個数: 128

約数和(自身を含む): 717379200

約数和(自身を除く): 496271640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 888, 1110, 1140, 1406, 1480, 2109, 2220, 2280, 2621, 2812, 3515, 4218, 4440, 5242, 5624, 7030, 7863, 8436, 10484, 10545, 13105, 14060, 15726, 16872, 20968, 21090, 26210, 28120, 31452, 39315, 42180, 49799, 52420, 62904, 78630, 84360, 96977, 99598, 104840, 149397, 157260, 193954, 199196, 248995, 290931, 298794, 314520, 387908, 398392, 484885, 497990, 581862, 597588, 746985, 775816, 969770, 995980, 1163724, 1195176, 1454655, 1493970, 1842563, 1939540, 1991960, 2327448, 2909310, 2987940, 3685126, 3879080, 5527689, 5818620, 5975880, 7370252, 9212815, 11055378, 11637240, 14740504, 18425630, 22110756, 27638445, 36851260, 44221512, 55276890, 73702520, 110553780, 221107560]

約数ペア:

[(1, 221107560), (2, 110553780), (3, 73702520), (4, 55276890), (5, 44221512), (6, 36851260), (8, 27638445), (10, 22110756), (12, 18425630), (15, 14740504), (19, 11637240), (20, 11055378), (24, 9212815), (30, 7370252), (37, 5975880), (38, 5818620), (40, 5527689), (57, 3879080), (60, 3685126), (74, 2987940), (76, 2909310), (95, 2327448), (111, 1991960), (114, 1939540), (120, 1842563), (148, 1493970), (152, 1454655), (185, 1195176), (190, 1163724), (222, 995980), (228, 969770), (285, 775816), (296, 746985), (370, 597588), (380, 581862), (444, 497990), (456, 484885), (555, 398392), (570, 387908), (703, 314520), (740, 298794), (760, 290931), (888, 248995), (1110, 199196), (1140, 193954), (1406, 157260), (1480, 149397), (2109, 104840), (2220, 99598), (2280, 96977), (2621, 84360), (2812, 78630), (3515, 62904), (4218, 52420), (4440, 49799), (5242, 42180), (5624, 39315), (7030, 31452), (7863, 28120), (8436, 26210), (10484, 21090), (10545, 20968), (13105, 16872), (14060, 15726)]