18592474740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{997}}^1\times {\mathrm{6343}}^1$

素因数の和:7366

約数の個数: 144

約数和(自身を含む): 60628643712

約数和(自身を除く): 42036168972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 997, 1470, 1994, 2940, 2991, 3988, 4985, 5982, 6343, 6979, 9970, 11964, 12686, 13958, 14955, 19029, 19940, 20937, 25372, 27916, 29910, 31715, 34895, 38058, 41874, 44401, 48853, 59820, 63430, 69790, 76116, 83748, 88802, 95145, 97706, 104685, 126860, 133203, 139580, 146559, 177604, 190290, 195412, 209370, 222005, 244265, 266406, 293118, 310807, 380580, 418740, 444010, 488530, 532812, 586236, 621614, 666015, 732795, 888020, 932421, 977060, 1243228, 1332030, 1465590, 1554035, 1864842, 2664060, 2931180, 3108070, 3729684, 4662105, 6216140, 6323971, 9324210, 12647942, 18648420, 18971913, 25295884, 31619855, 37943826, 44267797, 63239710, 75887652, 88535594, 94859565, 126479420, 132803391, 177071188, 189719130, 221338985, 265606782, 309874579, 379438260, 442677970, 531213564, 619749158, 664016955, 885355940, 929623737, 1239498316, 1328033910, 1549372895, 1859247474, 2656067820, 3098745790, 3718494948, 4648118685, 6197491580, 9296237370, 18592474740]

約数ペア:

[(1, 18592474740), (2, 9296237370), (3, 6197491580), (4, 4648118685), (5, 3718494948), (6, 3098745790), (7, 2656067820), (10, 1859247474), (12, 1549372895), (14, 1328033910), (15, 1239498316), (20, 929623737), (21, 885355940), (28, 664016955), (30, 619749158), (35, 531213564), (42, 442677970), (49, 379438260), (60, 309874579), (70, 265606782), (84, 221338985), (98, 189719130), (105, 177071188), (140, 132803391), (147, 126479420), (196, 94859565), (210, 88535594), (245, 75887652), (294, 63239710), (420, 44267797), (490, 37943826), (588, 31619855), (735, 25295884), (980, 18971913), (997, 18648420), (1470, 12647942), (1994, 9324210), (2940, 6323971), (2991, 6216140), (3988, 4662105), (4985, 3729684), (5982, 3108070), (6343, 2931180), (6979, 2664060), (9970, 1864842), (11964, 1554035), (12686, 1465590), (13958, 1332030), (14955, 1243228), (19029, 977060), (19940, 932421), (20937, 888020), (25372, 732795), (27916, 666015), (29910, 621614), (31715, 586236), (34895, 532812), (38058, 488530), (41874, 444010), (44401, 418740), (48853, 380580), (59820, 310807), (63430, 293118), (69790, 266406), (76116, 244265), (83748, 222005), (88802, 209370), (95145, 195412), (97706, 190290), (104685, 177604), (126860, 146559), (133203, 139580)]