809804320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 192

約数和(自身を含む): 2242114560

約数和(自身を除く): 1432310240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 380, 403, 416, 494, 496, 520, 589, 608, 620, 661, 760, 806, 988, 992, 1040, 1178, 1235, 1240, 1322, 1520, 1612, 1976, 2015, 2080, 2356, 2470, 2480, 2644, 2945, 3040, 3224, 3305, 3952, 4030, 4712, 4940, 4960, 5288, 5890, 6448, 6610, 7657, 7904, 8060, 8593, 9424, 9880, 10576, 11780, 12559, 12896, 13220, 15314, 16120, 17186, 18848, 19760, 20491, 21152, 23560, 25118, 26440, 30628, 32240, 34372, 38285, 39520, 40982, 42965, 47120, 50236, 52880, 61256, 62795, 64480, 68744, 76570, 81964, 85930, 94240, 100472, 102455, 105760, 122512, 125590, 137488, 153140, 163267, 163928, 171860, 200944, 204910, 245024, 251180, 266383, 274976, 306280, 326534, 327856, 343720, 389329, 401888, 409820, 502360, 532766, 612560, 653068, 655712, 687440, 778658, 816335, 819640, 1004720, 1065532, 1225120, 1306136, 1331915, 1374880, 1557316, 1632670, 1639280, 1946645, 2009440, 2131064, 2612272, 2663830, 3114632, 3265340, 3278560, 3893290, 4262128, 5061277, 5224544, 5327660, 6229264, 6530680, 7786580, 8524256, 10122554, 10655320, 12458528, 13061360, 15573160, 20245108, 21310640, 25306385, 26122720, 31146320, 40490216, 42621280, 50612770, 62292640, 80980432, 101225540, 161960864, 202451080, 404902160, 809804320]

約数ペア:

[(1, 809804320), (2, 404902160), (4, 202451080), (5, 161960864), (8, 101225540), (10, 80980432), (13, 62292640), (16, 50612770), (19, 42621280), (20, 40490216), (26, 31146320), (31, 26122720), (32, 25306385), (38, 21310640), (40, 20245108), (52, 15573160), (62, 13061360), (65, 12458528), (76, 10655320), (80, 10122554), (95, 8524256), (104, 7786580), (124, 6530680), (130, 6229264), (152, 5327660), (155, 5224544), (160, 5061277), (190, 4262128), (208, 3893290), (247, 3278560), (248, 3265340), (260, 3114632), (304, 2663830), (310, 2612272), (380, 2131064), (403, 2009440), (416, 1946645), (494, 1639280), (496, 1632670), (520, 1557316), (589, 1374880), (608, 1331915), (620, 1306136), (661, 1225120), (760, 1065532), (806, 1004720), (988, 819640), (992, 816335), (1040, 778658), (1178, 687440), (1235, 655712), (1240, 653068), (1322, 612560), (1520, 532766), (1612, 502360), (1976, 409820), (2015, 401888), (2080, 389329), (2356, 343720), (2470, 327856), (2480, 326534), (2644, 306280), (2945, 274976), (3040, 266383), (3224, 251180), (3305, 245024), (3952, 204910), (4030, 200944), (4712, 171860), (4940, 163928), (4960, 163267), (5288, 153140), (5890, 137488), (6448, 125590), (6610, 122512), (7657, 105760), (7904, 102455), (8060, 100472), (8593, 94240), (9424, 85930), (9880, 81964), (10576, 76570), (11780, 68744), (12559, 64480), (12896, 62795), (13220, 61256), (15314, 52880), (16120, 50236), (17186, 47120), (18848, 42965), (19760, 40982), (20491, 39520), (21152, 38285), (23560, 34372), (25118, 32240), (26440, 30628)]