31212480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 224

約数和(自身を含む): 111117888

約数和(自身を除く): 79905408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 41, 48, 52, 60, 61, 64, 65, 78, 80, 82, 96, 104, 120, 122, 123, 130, 156, 160, 164, 183, 192, 195, 205, 208, 240, 244, 246, 260, 305, 312, 320, 328, 366, 390, 410, 416, 480, 488, 492, 520, 533, 610, 615, 624, 656, 732, 780, 793, 820, 832, 915, 960, 976, 984, 1040, 1066, 1220, 1230, 1248, 1312, 1464, 1560, 1586, 1599, 1640, 1830, 1952, 1968, 2080, 2132, 2379, 2440, 2460, 2496, 2501, 2624, 2665, 2928, 3120, 3172, 3198, 3280, 3660, 3904, 3936, 3965, 4160, 4264, 4758, 4880, 4920, 5002, 5330, 5856, 6240, 6344, 6396, 6560, 7320, 7503, 7872, 7930, 7995, 8528, 9516, 9760, 9840, 10004, 10660, 11712, 11895, 12480, 12505, 12688, 12792, 13120, 14640, 15006, 15860, 15990, 17056, 19032, 19520, 19680, 20008, 21320, 23790, 25010, 25376, 25584, 29280, 30012, 31720, 31980, 32513, 34112, 37515, 38064, 39360, 40016, 42640, 47580, 50020, 50752, 51168, 58560, 60024, 63440, 63960, 65026, 75030, 76128, 80032, 85280, 95160, 97539, 100040, 102336, 120048, 126880, 127920, 130052, 150060, 152256, 160064, 162565, 170560, 190320, 195078, 200080, 240096, 253760, 255840, 260104, 300120, 325130, 380640, 390156, 400160, 480192, 487695, 511680, 520208, 600240, 650260, 761280, 780312, 800320, 975390, 1040416, 1200480, 1300520, 1560624, 1950780, 2080832, 2400960, 2601040, 3121248, 3901560, 5202080, 6242496, 7803120, 10404160, 15606240, 31212480]

約数ペア:

[(1, 31212480), (2, 15606240), (3, 10404160), (4, 7803120), (5, 6242496), (6, 5202080), (8, 3901560), (10, 3121248), (12, 2601040), (13, 2400960), (15, 2080832), (16, 1950780), (20, 1560624), (24, 1300520), (26, 1200480), (30, 1040416), (32, 975390), (39, 800320), (40, 780312), (41, 761280), (48, 650260), (52, 600240), (60, 520208), (61, 511680), (64, 487695), (65, 480192), (78, 400160), (80, 390156), (82, 380640), (96, 325130), (104, 300120), (120, 260104), (122, 255840), (123, 253760), (130, 240096), (156, 200080), (160, 195078), (164, 190320), (183, 170560), (192, 162565), (195, 160064), (205, 152256), (208, 150060), (240, 130052), (244, 127920), (246, 126880), (260, 120048), (305, 102336), (312, 100040), (320, 97539), (328, 95160), (366, 85280), (390, 80032), (410, 76128), (416, 75030), (480, 65026), (488, 63960), (492, 63440), (520, 60024), (533, 58560), (610, 51168), (615, 50752), (624, 50020), (656, 47580), (732, 42640), (780, 40016), (793, 39360), (820, 38064), (832, 37515), (915, 34112), (960, 32513), (976, 31980), (984, 31720), (1040, 30012), (1066, 29280), (1220, 25584), (1230, 25376), (1248, 25010), (1312, 23790), (1464, 21320), (1560, 20008), (1586, 19680), (1599, 19520), (1640, 19032), (1830, 17056), (1952, 15990), (1968, 15860), (2080, 15006), (2132, 14640), (2379, 13120), (2440, 12792), (2460, 12688), (2496, 12505), (2501, 12480), (2624, 11895), (2665, 11712), (2928, 10660), (3120, 10004), (3172, 9840), (3198, 9760), (3280, 9516), (3660, 8528), (3904, 7995), (3936, 7930), (3965, 7872), (4160, 7503), (4264, 7320), (4758, 6560), (4880, 6396), (4920, 6344), (5002, 6240), (5330, 5856)]