1331636520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:436

約数の個数: 256

約数和(自身を含む): 4473377280

約数和(自身を除く): 3141740760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 101, 102, 115, 120, 136, 138, 170, 184, 202, 204, 230, 255, 276, 281, 303, 340, 345, 391, 404, 408, 460, 505, 510, 552, 562, 606, 680, 690, 782, 808, 843, 920, 1010, 1020, 1124, 1173, 1212, 1380, 1405, 1515, 1564, 1686, 1717, 1955, 2020, 2040, 2248, 2323, 2346, 2424, 2760, 2810, 3030, 3128, 3372, 3434, 3910, 4040, 4215, 4646, 4692, 4777, 5151, 5620, 5865, 6060, 6463, 6744, 6868, 6969, 7820, 8430, 8585, 9292, 9384, 9554, 10302, 11240, 11615, 11730, 12120, 12926, 13736, 13938, 14331, 15640, 16860, 17170, 18584, 19108, 19389, 20604, 23230, 23460, 23885, 25755, 25852, 27876, 28381, 28662, 32315, 33720, 34340, 34845, 38216, 38778, 39491, 41208, 46460, 46920, 47770, 51510, 51704, 55752, 56762, 57324, 64630, 68680, 69690, 71655, 77556, 78982, 85143, 92920, 95540, 96945, 103020, 109871, 113524, 114648, 118473, 129260, 139380, 141905, 143310, 155112, 157964, 170286, 191080, 193890, 197455, 206040, 219742, 227048, 236946, 258520, 278760, 283810, 286620, 315928, 329613, 340572, 387780, 394910, 425715, 439484, 473892, 482477, 549355, 567620, 573240, 592365, 652763, 659226, 681144, 775560, 789820, 851430, 878968, 947784, 964954, 1098710, 1135240, 1184730, 1305526, 1318452, 1447431, 1579640, 1648065, 1702860, 1929908, 1958289, 2197420, 2369460, 2412385, 2611052, 2636904, 2894862, 3263815, 3296130, 3405720, 3859816, 3916578, 4394840, 4738920, 4824770, 5222104, 5789724, 6527630, 6592260, 7237155, 7833156, 9649540, 9791445, 11096971, 11579448, 13055260, 13184520, 14474310, 15666312, 19299080, 19582890, 22193942, 26110520, 28948620, 33290913, 39165780, 44387884, 55484855, 57897240, 66581826, 78331560, 88775768, 110969710, 133163652, 166454565, 221939420, 266327304, 332909130, 443878840, 665818260, 1331636520]

約数ペア:

[(1, 1331636520), (2, 665818260), (3, 443878840), (4, 332909130), (5, 266327304), (6, 221939420), (8, 166454565), (10, 133163652), (12, 110969710), (15, 88775768), (17, 78331560), (20, 66581826), (23, 57897240), (24, 55484855), (30, 44387884), (34, 39165780), (40, 33290913), (46, 28948620), (51, 26110520), (60, 22193942), (68, 19582890), (69, 19299080), (85, 15666312), (92, 14474310), (101, 13184520), (102, 13055260), (115, 11579448), (120, 11096971), (136, 9791445), (138, 9649540), (170, 7833156), (184, 7237155), (202, 6592260), (204, 6527630), (230, 5789724), (255, 5222104), (276, 4824770), (281, 4738920), (303, 4394840), (340, 3916578), (345, 3859816), (391, 3405720), (404, 3296130), (408, 3263815), (460, 2894862), (505, 2636904), (510, 2611052), (552, 2412385), (562, 2369460), (606, 2197420), (680, 1958289), (690, 1929908), (782, 1702860), (808, 1648065), (843, 1579640), (920, 1447431), (1010, 1318452), (1020, 1305526), (1124, 1184730), (1173, 1135240), (1212, 1098710), (1380, 964954), (1405, 947784), (1515, 878968), (1564, 851430), (1686, 789820), (1717, 775560), (1955, 681144), (2020, 659226), (2040, 652763), (2248, 592365), (2323, 573240), (2346, 567620), (2424, 549355), (2760, 482477), (2810, 473892), (3030, 439484), (3128, 425715), (3372, 394910), (3434, 387780), (3910, 340572), (4040, 329613), (4215, 315928), (4646, 286620), (4692, 283810), (4777, 278760), (5151, 258520), (5620, 236946), (5865, 227048), (6060, 219742), (6463, 206040), (6744, 197455), (6868, 193890), (6969, 191080), (7820, 170286), (8430, 157964), (8585, 155112), (9292, 143310), (9384, 141905), (9554, 139380), (10302, 129260), (11240, 118473), (11615, 114648), (11730, 113524), (12120, 109871), (12926, 103020), (13736, 96945), (13938, 95540), (14331, 92920), (15640, 85143), (16860, 78982), (17170, 77556), (18584, 71655), (19108, 69690), (19389, 68680), (20604, 64630), (23230, 57324), (23460, 56762), (23885, 55752), (25755, 51704), (25852, 51510), (27876, 47770), (28381, 46920), (28662, 46460), (32315, 41208), (33720, 39491), (34340, 38778), (34845, 38216)]