165782206720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{321383}}^1$

素因数の和:321448

約数の個数: 144

約数和(自身を含む): 441442778112

約数和(自身を除く): 275660571392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 7936, 8060, 8320, 9920, 12896, 16120, 16640, 19840, 25792, 32240, 39680, 51584, 64480, 103168, 128960, 257920, 321383, 515840, 642766, 1285532, 1606915, 2571064, 3213830, 4177979, 5142128, 6427660, 8355958, 9962873, 10284256, 12855320, 16711916, 19925746, 20568512, 20889895, 25710640, 33423832, 39851492, 41137024, 41779790, 49814365, 51421280, 66847664, 79702984, 82274048, 83559580, 99628730, 102842560, 129517349, 133695328, 159405968, 167119160, 199257460, 205685120, 259034698, 267390656, 318811936, 334238320, 398514920, 411370240, 518069396, 534781312, 637623872, 647586745, 668476640, 797029840, 1036138792, 1069562624, 1275247744, 1295173490, 1336953280, 1594059680, 2072277584, 2550495488, 2590346980, 2673906560, 3188119360, 4144555168, 5180693960, 5347813120, 6376238720, 8289110336, 10361387920, 12752477440, 16578220672, 20722775840, 33156441344, 41445551680, 82891103360, 165782206720]

約数ペア:

[(1, 165782206720), (2, 82891103360), (4, 41445551680), (5, 33156441344), (8, 20722775840), (10, 16578220672), (13, 12752477440), (16, 10361387920), (20, 8289110336), (26, 6376238720), (31, 5347813120), (32, 5180693960), (40, 4144555168), (52, 3188119360), (62, 2673906560), (64, 2590346980), (65, 2550495488), (80, 2072277584), (104, 1594059680), (124, 1336953280), (128, 1295173490), (130, 1275247744), (155, 1069562624), (160, 1036138792), (208, 797029840), (248, 668476640), (256, 647586745), (260, 637623872), (310, 534781312), (320, 518069396), (403, 411370240), (416, 398514920), (496, 334238320), (520, 318811936), (620, 267390656), (640, 259034698), (806, 205685120), (832, 199257460), (992, 167119160), (1040, 159405968), (1240, 133695328), (1280, 129517349), (1612, 102842560), (1664, 99628730), (1984, 83559580), (2015, 82274048), (2080, 79702984), (2480, 66847664), (3224, 51421280), (3328, 49814365), (3968, 41779790), (4030, 41137024), (4160, 39851492), (4960, 33423832), (6448, 25710640), (7936, 20889895), (8060, 20568512), (8320, 19925746), (9920, 16711916), (12896, 12855320), (16120, 10284256), (16640, 9962873), (19840, 8355958), (25792, 6427660), (32240, 5142128), (39680, 4177979), (51584, 3213830), (64480, 2571064), (103168, 1606915), (128960, 1285532), (257920, 642766), (321383, 515840)]