128259480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 399168000

約数和(自身を除く): 270908520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 131, 164, 199, 205, 246, 262, 328, 393, 398, 410, 492, 524, 597, 615, 655, 786, 796, 820, 984, 995, 1048, 1194, 1230, 1310, 1572, 1592, 1640, 1965, 1990, 2388, 2460, 2620, 2985, 3144, 3930, 3980, 4776, 4920, 5240, 5371, 5970, 7860, 7960, 8159, 10742, 11940, 15720, 16113, 16318, 21484, 23880, 24477, 26069, 26855, 32226, 32636, 40795, 42968, 48954, 52138, 53710, 64452, 65272, 78207, 80565, 81590, 97908, 104276, 107420, 122385, 128904, 130345, 156414, 161130, 163180, 195816, 208552, 214840, 244770, 260690, 312828, 322260, 326360, 391035, 489540, 521380, 625656, 644520, 782070, 979080, 1042760, 1068829, 1564140, 2137658, 3128280, 3206487, 4275316, 5344145, 6412974, 8550632, 10688290, 12825948, 16032435, 21376580, 25651896, 32064870, 42753160, 64129740, 128259480]

約数ペア:

[(1, 128259480), (2, 64129740), (3, 42753160), (4, 32064870), (5, 25651896), (6, 21376580), (8, 16032435), (10, 12825948), (12, 10688290), (15, 8550632), (20, 6412974), (24, 5344145), (30, 4275316), (40, 3206487), (41, 3128280), (60, 2137658), (82, 1564140), (120, 1068829), (123, 1042760), (131, 979080), (164, 782070), (199, 644520), (205, 625656), (246, 521380), (262, 489540), (328, 391035), (393, 326360), (398, 322260), (410, 312828), (492, 260690), (524, 244770), (597, 214840), (615, 208552), (655, 195816), (786, 163180), (796, 161130), (820, 156414), (984, 130345), (995, 128904), (1048, 122385), (1194, 107420), (1230, 104276), (1310, 97908), (1572, 81590), (1592, 80565), (1640, 78207), (1965, 65272), (1990, 64452), (2388, 53710), (2460, 52138), (2620, 48954), (2985, 42968), (3144, 40795), (3930, 32636), (3980, 32226), (4776, 26855), (4920, 26069), (5240, 24477), (5371, 23880), (5970, 21484), (7860, 16318), (7960, 16113), (8159, 15720), (10742, 11940)]