155396800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 168

約数和(自身を含む): 426833792

約数和(自身を除く): 271436992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 241, 248, 260, 310, 320, 325, 400, 403, 416, 482, 496, 520, 620, 650, 775, 800, 806, 832, 964, 992, 1040, 1205, 1240, 1300, 1550, 1600, 1612, 1928, 1984, 2015, 2080, 2410, 2480, 2600, 3100, 3133, 3224, 3856, 4030, 4160, 4820, 4960, 5200, 6025, 6200, 6266, 6448, 7471, 7712, 8060, 9640, 9920, 10075, 10400, 12050, 12400, 12532, 12896, 14942, 15424, 15665, 16120, 19280, 20150, 20800, 24100, 24800, 25064, 25792, 29884, 31330, 32240, 37355, 38560, 40300, 48200, 49600, 50128, 59768, 62660, 64480, 74710, 77120, 78325, 80600, 96400, 97123, 100256, 119536, 125320, 128960, 149420, 156650, 161200, 186775, 192800, 194246, 200512, 239072, 250640, 298840, 313300, 322400, 373550, 385600, 388492, 478144, 485615, 501280, 597680, 626600, 644800, 747100, 776984, 971230, 1002560, 1195360, 1253200, 1494200, 1553968, 1942460, 2390720, 2428075, 2506400, 2988400, 3107936, 3884920, 4856150, 5012800, 5976800, 6215872, 7769840, 9712300, 11953600, 15539680, 19424600, 31079360, 38849200, 77698400, 155396800]

約数ペア:

[(1, 155396800), (2, 77698400), (4, 38849200), (5, 31079360), (8, 19424600), (10, 15539680), (13, 11953600), (16, 9712300), (20, 7769840), (25, 6215872), (26, 5976800), (31, 5012800), (32, 4856150), (40, 3884920), (50, 3107936), (52, 2988400), (62, 2506400), (64, 2428075), (65, 2390720), (80, 1942460), (100, 1553968), (104, 1494200), (124, 1253200), (130, 1195360), (155, 1002560), (160, 971230), (200, 776984), (208, 747100), (241, 644800), (248, 626600), (260, 597680), (310, 501280), (320, 485615), (325, 478144), (400, 388492), (403, 385600), (416, 373550), (482, 322400), (496, 313300), (520, 298840), (620, 250640), (650, 239072), (775, 200512), (800, 194246), (806, 192800), (832, 186775), (964, 161200), (992, 156650), (1040, 149420), (1205, 128960), (1240, 125320), (1300, 119536), (1550, 100256), (1600, 97123), (1612, 96400), (1928, 80600), (1984, 78325), (2015, 77120), (2080, 74710), (2410, 64480), (2480, 62660), (2600, 59768), (3100, 50128), (3133, 49600), (3224, 48200), (3856, 40300), (4030, 38560), (4160, 37355), (4820, 32240), (4960, 31330), (5200, 29884), (6025, 25792), (6200, 25064), (6266, 24800), (6448, 24100), (7471, 20800), (7712, 20150), (8060, 19280), (9640, 16120), (9920, 15665), (10075, 15424), (10400, 14942), (12050, 12896), (12400, 12532)]