248383440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 240

約数和(自身を含む): 889978752

約数和(自身を除く): 641595312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 53, 60, 69, 72, 80, 90, 92, 106, 115, 120, 138, 144, 159, 180, 184, 207, 212, 230, 240, 265, 276, 283, 318, 345, 360, 368, 414, 424, 460, 477, 530, 552, 566, 636, 690, 720, 795, 828, 848, 849, 920, 954, 1035, 1060, 1104, 1132, 1219, 1272, 1380, 1415, 1590, 1656, 1698, 1840, 1908, 2070, 2120, 2264, 2385, 2438, 2544, 2547, 2760, 2830, 3180, 3312, 3396, 3657, 3816, 4140, 4240, 4245, 4528, 4770, 4876, 5094, 5520, 5660, 6095, 6360, 6509, 6792, 7314, 7632, 8280, 8490, 9540, 9752, 10188, 10971, 11320, 12190, 12720, 12735, 13018, 13584, 14628, 14999, 16560, 16980, 18285, 19080, 19504, 19527, 20376, 21942, 22640, 24380, 25470, 26036, 29256, 29998, 32545, 33960, 36570, 38160, 39054, 40752, 43884, 44997, 48760, 50940, 52072, 54855, 58512, 58581, 59996, 65090, 67920, 73140, 74995, 78108, 87768, 89994, 97520, 97635, 101880, 104144, 109710, 117162, 119992, 130180, 134991, 146280, 149990, 156216, 175536, 179988, 195270, 203760, 219420, 224985, 234324, 239984, 260360, 269982, 292560, 292905, 299980, 312432, 344977, 359976, 390540, 438840, 449970, 468648, 520720, 539964, 585810, 599960, 674955, 689954, 719952, 781080, 877680, 899940, 937296, 1034931, 1079928, 1171620, 1199920, 1349910, 1379908, 1562160, 1724885, 1799880, 2069862, 2159856, 2343240, 2699820, 2759816, 3104793, 3449770, 3599760, 4139724, 4686480, 5174655, 5399640, 5519632, 6209586, 6899540, 8279448, 10349310, 10799280, 12419172, 13799080, 15523965, 16558896, 20698620, 24838344, 27598160, 31047930, 41397240, 49676688, 62095860, 82794480, 124191720, 248383440]

約数ペア:

[(1, 248383440), (2, 124191720), (3, 82794480), (4, 62095860), (5, 49676688), (6, 41397240), (8, 31047930), (9, 27598160), (10, 24838344), (12, 20698620), (15, 16558896), (16, 15523965), (18, 13799080), (20, 12419172), (23, 10799280), (24, 10349310), (30, 8279448), (36, 6899540), (40, 6209586), (45, 5519632), (46, 5399640), (48, 5174655), (53, 4686480), (60, 4139724), (69, 3599760), (72, 3449770), (80, 3104793), (90, 2759816), (92, 2699820), (106, 2343240), (115, 2159856), (120, 2069862), (138, 1799880), (144, 1724885), (159, 1562160), (180, 1379908), (184, 1349910), (207, 1199920), (212, 1171620), (230, 1079928), (240, 1034931), (265, 937296), (276, 899940), (283, 877680), (318, 781080), (345, 719952), (360, 689954), (368, 674955), (414, 599960), (424, 585810), (460, 539964), (477, 520720), (530, 468648), (552, 449970), (566, 438840), (636, 390540), (690, 359976), (720, 344977), (795, 312432), (828, 299980), (848, 292905), (849, 292560), (920, 269982), (954, 260360), (1035, 239984), (1060, 234324), (1104, 224985), (1132, 219420), (1219, 203760), (1272, 195270), (1380, 179988), (1415, 175536), (1590, 156216), (1656, 149990), (1698, 146280), (1840, 134991), (1908, 130180), (2070, 119992), (2120, 117162), (2264, 109710), (2385, 104144), (2438, 101880), (2544, 97635), (2547, 97520), (2760, 89994), (2830, 87768), (3180, 78108), (3312, 74995), (3396, 73140), (3657, 67920), (3816, 65090), (4140, 59996), (4240, 58581), (4245, 58512), (4528, 54855), (4770, 52072), (4876, 50940), (5094, 48760), (5520, 44997), (5660, 43884), (6095, 40752), (6360, 39054), (6509, 38160), (6792, 36570), (7314, 33960), (7632, 32545), (8280, 29998), (8490, 29256), (9540, 26036), (9752, 25470), (10188, 24380), (10971, 22640), (11320, 21942), (12190, 20376), (12720, 19527), (12735, 19504), (13018, 19080), (13584, 18285), (14628, 16980), (14999, 16560)]