153631660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 418279680

約数和(自身を除く): 264648020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 389, 403, 434, 455, 490, 620, 637, 778, 806, 868, 910, 980, 1085, 1274, 1519, 1556, 1612, 1820, 1945, 2015, 2170, 2548, 2723, 2821, 3038, 3185, 3890, 4030, 4340, 5057, 5446, 5642, 6076, 6370, 7595, 7780, 8060, 10114, 10892, 11284, 12059, 12740, 13615, 14105, 15190, 19061, 19747, 20228, 24118, 25285, 27230, 28210, 30380, 35399, 38122, 39494, 48236, 50570, 54460, 56420, 60295, 70798, 76244, 78988, 84413, 95305, 98735, 101140, 120590, 141596, 156767, 168826, 176995, 190610, 197470, 241180, 247793, 313534, 337652, 353990, 381220, 394940, 422065, 495586, 590891, 627068, 707980, 783835, 844130, 991172, 1097369, 1181782, 1238965, 1567670, 1688260, 2194738, 2363564, 2477930, 2954455, 3135340, 4389476, 4955860, 5486845, 5908910, 7681583, 10973690, 11817820, 15363166, 21947380, 30726332, 38407915, 76815830, 153631660]

約数ペア:

[(1, 153631660), (2, 76815830), (4, 38407915), (5, 30726332), (7, 21947380), (10, 15363166), (13, 11817820), (14, 10973690), (20, 7681583), (26, 5908910), (28, 5486845), (31, 4955860), (35, 4389476), (49, 3135340), (52, 2954455), (62, 2477930), (65, 2363564), (70, 2194738), (91, 1688260), (98, 1567670), (124, 1238965), (130, 1181782), (140, 1097369), (155, 991172), (182, 844130), (196, 783835), (217, 707980), (245, 627068), (260, 590891), (310, 495586), (364, 422065), (389, 394940), (403, 381220), (434, 353990), (455, 337652), (490, 313534), (620, 247793), (637, 241180), (778, 197470), (806, 190610), (868, 176995), (910, 168826), (980, 156767), (1085, 141596), (1274, 120590), (1519, 101140), (1556, 98735), (1612, 95305), (1820, 84413), (1945, 78988), (2015, 76244), (2170, 70798), (2548, 60295), (2723, 56420), (2821, 54460), (3038, 50570), (3185, 48236), (3890, 39494), (4030, 38122), (4340, 35399), (5057, 30380), (5446, 28210), (5642, 27230), (6076, 25285), (6370, 24118), (7595, 20228), (7780, 19747), (8060, 19061), (10114, 15190), (10892, 14105), (11284, 13615), (12059, 12740)]