171816260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 479969280

約数和(自身を除く): 308153020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 59, 61, 62, 70, 77, 110, 118, 122, 124, 140, 154, 155, 217, 220, 236, 244, 295, 305, 308, 310, 341, 385, 413, 427, 434, 590, 610, 620, 649, 671, 682, 770, 826, 854, 868, 1085, 1180, 1220, 1298, 1342, 1364, 1540, 1652, 1705, 1708, 1829, 1891, 2065, 2135, 2170, 2387, 2596, 2684, 3245, 3355, 3410, 3599, 3658, 3782, 4130, 4270, 4340, 4543, 4697, 4774, 6490, 6710, 6820, 7198, 7316, 7564, 8260, 8540, 9086, 9145, 9394, 9455, 9548, 11935, 12803, 12980, 13237, 13420, 14396, 17995, 18172, 18290, 18788, 18910, 20119, 20801, 22715, 23485, 23870, 25193, 25606, 26474, 35990, 36580, 37820, 39589, 40238, 41602, 45430, 46970, 47740, 50386, 51212, 52948, 64015, 66185, 71980, 79178, 80476, 83204, 90860, 93940, 100595, 100772, 104005, 111569, 125965, 128030, 132370, 140833, 145607, 158356, 197945, 201190, 208010, 223138, 251930, 256060, 264740, 277123, 281666, 291214, 395890, 402380, 416020, 446276, 503860, 554246, 557845, 563332, 582428, 704165, 728035, 780983, 791780, 1108492, 1115690, 1227259, 1385615, 1408330, 1456070, 1561966, 2231380, 2454518, 2771230, 2816660, 2912140, 3123932, 3904915, 4909036, 5542460, 6136295, 7809830, 8590813, 12272590, 15619660, 17181626, 24545180, 34363252, 42954065, 85908130, 171816260]

約数ペア:

[(1, 171816260), (2, 85908130), (4, 42954065), (5, 34363252), (7, 24545180), (10, 17181626), (11, 15619660), (14, 12272590), (20, 8590813), (22, 7809830), (28, 6136295), (31, 5542460), (35, 4909036), (44, 3904915), (55, 3123932), (59, 2912140), (61, 2816660), (62, 2771230), (70, 2454518), (77, 2231380), (110, 1561966), (118, 1456070), (122, 1408330), (124, 1385615), (140, 1227259), (154, 1115690), (155, 1108492), (217, 791780), (220, 780983), (236, 728035), (244, 704165), (295, 582428), (305, 563332), (308, 557845), (310, 554246), (341, 503860), (385, 446276), (413, 416020), (427, 402380), (434, 395890), (590, 291214), (610, 281666), (620, 277123), (649, 264740), (671, 256060), (682, 251930), (770, 223138), (826, 208010), (854, 201190), (868, 197945), (1085, 158356), (1180, 145607), (1220, 140833), (1298, 132370), (1342, 128030), (1364, 125965), (1540, 111569), (1652, 104005), (1705, 100772), (1708, 100595), (1829, 93940), (1891, 90860), (2065, 83204), (2135, 80476), (2170, 79178), (2387, 71980), (2596, 66185), (2684, 64015), (3245, 52948), (3355, 51212), (3410, 50386), (3599, 47740), (3658, 46970), (3782, 45430), (4130, 41602), (4270, 40238), (4340, 39589), (4543, 37820), (4697, 36580), (4774, 35990), (6490, 26474), (6710, 25606), (6820, 25193), (7198, 23870), (7316, 23485), (7564, 22715), (8260, 20801), (8540, 20119), (9086, 18910), (9145, 18788), (9394, 18290), (9455, 18172), (9548, 17995), (11935, 14396), (12803, 13420), (12980, 13237)]