171577980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2433

約数の個数: 192

約数和(自身を含む): 642432000

約数和(自身を除く): 470854020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2389, 2394, 2565, 2660, 3420, 3591, 3780, 3990, 4778, 4788, 5130, 5985, 7167, 7182, 7980, 9556, 10260, 11945, 11970, 14334, 14364, 16723, 17955, 21501, 23890, 23940, 28668, 33446, 35835, 35910, 43002, 45391, 47780, 50169, 64503, 66892, 71670, 71820, 83615, 86004, 90782, 100338, 107505, 129006, 136173, 143340, 150507, 167230, 181564, 200676, 215010, 226955, 250845, 258012, 272346, 301014, 317737, 322515, 334460, 408519, 430020, 451521, 453910, 501690, 544692, 602028, 635474, 645030, 680865, 752535, 817038, 903042, 907820, 953211, 1003380, 1225557, 1270948, 1290060, 1361730, 1505070, 1588685, 1634076, 1806084, 1906422, 2042595, 2257605, 2451114, 2723460, 2859633, 3010140, 3177370, 3812844, 4085190, 4515210, 4766055, 4902228, 5719266, 6127785, 6354740, 8170380, 8578899, 9030420, 9532110, 11438532, 12255570, 14298165, 17157798, 19064220, 24511140, 28596330, 34315596, 42894495, 57192660, 85788990, 171577980]

約数ペア:

[(1, 171577980), (2, 85788990), (3, 57192660), (4, 42894495), (5, 34315596), (6, 28596330), (7, 24511140), (9, 19064220), (10, 17157798), (12, 14298165), (14, 12255570), (15, 11438532), (18, 9532110), (19, 9030420), (20, 8578899), (21, 8170380), (27, 6354740), (28, 6127785), (30, 5719266), (35, 4902228), (36, 4766055), (38, 4515210), (42, 4085190), (45, 3812844), (54, 3177370), (57, 3010140), (60, 2859633), (63, 2723460), (70, 2451114), (76, 2257605), (84, 2042595), (90, 1906422), (95, 1806084), (105, 1634076), (108, 1588685), (114, 1505070), (126, 1361730), (133, 1290060), (135, 1270948), (140, 1225557), (171, 1003380), (180, 953211), (189, 907820), (190, 903042), (210, 817038), (228, 752535), (252, 680865), (266, 645030), (270, 635474), (285, 602028), (315, 544692), (342, 501690), (378, 453910), (380, 451521), (399, 430020), (420, 408519), (513, 334460), (532, 322515), (540, 317737), (570, 301014), (630, 272346), (665, 258012), (684, 250845), (756, 226955), (798, 215010), (855, 200676), (945, 181564), (1026, 167230), (1140, 150507), (1197, 143340), (1260, 136173), (1330, 129006), (1596, 107505), (1710, 100338), (1890, 90782), (1995, 86004), (2052, 83615), (2389, 71820), (2394, 71670), (2565, 66892), (2660, 64503), (3420, 50169), (3591, 47780), (3780, 45391), (3990, 43002), (4778, 35910), (4788, 35835), (5130, 33446), (5985, 28668), (7167, 23940), (7182, 23890), (7980, 21501), (9556, 17955), (10260, 16723), (11945, 14364), (11970, 14334)]