243920520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 192

約数和(自身を含む): 839030400

約数和(自身を除く): 595109880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 89, 90, 92, 115, 120, 138, 178, 180, 184, 207, 230, 267, 276, 331, 345, 356, 360, 414, 445, 460, 534, 552, 662, 690, 712, 801, 828, 890, 920, 993, 1035, 1068, 1324, 1335, 1380, 1602, 1655, 1656, 1780, 1986, 2047, 2070, 2136, 2648, 2670, 2760, 2979, 3204, 3310, 3560, 3972, 4005, 4094, 4140, 4965, 5340, 5958, 6141, 6408, 6620, 7613, 7944, 8010, 8188, 8280, 9930, 10235, 10680, 11916, 12282, 13240, 14895, 15226, 16020, 16376, 18423, 19860, 20470, 22839, 23832, 24564, 29459, 29790, 30452, 30705, 32040, 36846, 38065, 39720, 40940, 45678, 49128, 58918, 59580, 60904, 61410, 68517, 73692, 76130, 81880, 88377, 91356, 92115, 114195, 117836, 119160, 122820, 137034, 147295, 147384, 152260, 176754, 182712, 184230, 228390, 235672, 245640, 265131, 274068, 294590, 304520, 342585, 353508, 368460, 441885, 456780, 530262, 548136, 589180, 677557, 685170, 707016, 736920, 883770, 913560, 1060524, 1178360, 1325655, 1355114, 1370340, 1767540, 2032671, 2121048, 2651310, 2710228, 2740680, 3387785, 3535080, 4065342, 5302620, 5420456, 6098013, 6775570, 8130684, 10163355, 10605240, 12196026, 13551140, 16261368, 20326710, 24392052, 27102280, 30490065, 40653420, 48784104, 60980130, 81306840, 121960260, 243920520]

約数ペア:

[(1, 243920520), (2, 121960260), (3, 81306840), (4, 60980130), (5, 48784104), (6, 40653420), (8, 30490065), (9, 27102280), (10, 24392052), (12, 20326710), (15, 16261368), (18, 13551140), (20, 12196026), (23, 10605240), (24, 10163355), (30, 8130684), (36, 6775570), (40, 6098013), (45, 5420456), (46, 5302620), (60, 4065342), (69, 3535080), (72, 3387785), (89, 2740680), (90, 2710228), (92, 2651310), (115, 2121048), (120, 2032671), (138, 1767540), (178, 1370340), (180, 1355114), (184, 1325655), (207, 1178360), (230, 1060524), (267, 913560), (276, 883770), (331, 736920), (345, 707016), (356, 685170), (360, 677557), (414, 589180), (445, 548136), (460, 530262), (534, 456780), (552, 441885), (662, 368460), (690, 353508), (712, 342585), (801, 304520), (828, 294590), (890, 274068), (920, 265131), (993, 245640), (1035, 235672), (1068, 228390), (1324, 184230), (1335, 182712), (1380, 176754), (1602, 152260), (1655, 147384), (1656, 147295), (1780, 137034), (1986, 122820), (2047, 119160), (2070, 117836), (2136, 114195), (2648, 92115), (2670, 91356), (2760, 88377), (2979, 81880), (3204, 76130), (3310, 73692), (3560, 68517), (3972, 61410), (4005, 60904), (4094, 59580), (4140, 58918), (4965, 49128), (5340, 45678), (5958, 40940), (6141, 39720), (6408, 38065), (6620, 36846), (7613, 32040), (7944, 30705), (8010, 30452), (8188, 29790), (8280, 29459), (9930, 24564), (10235, 23832), (10680, 22839), (11916, 20470), (12282, 19860), (13240, 18423), (14895, 16376), (15226, 16020)]